2990680177 has 4 divisors (see below), whose sum is σ = 2990963700. Its totient is φ = 2990396656.

The previous prime is 2990680163. The next prime is 2990680181. The reversal of 2990680177 is 7710860992.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2338592881 + 652087296 = 48359^2 + 25536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2990680177 is a prime.

It is a super-2 number, since 2×2990680177² = 17888335842201502658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2990680177.

It is not an unprimeable number, because it can be changed into a prime (2990680117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125302 + ... + 147247.

It is an arithmetic number, because the mean of its divisors is an integer number (747740925).

Almost surely, 2^2990680177 is an apocalyptic number.

It is an amenable number.

2990680177 is a deficient number, since it is larger than the sum of its proper divisors (283523).

2990680177 is a wasteful number, since it uses less digits than its factorization.

2990680177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283522.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 2990680177 is about 54687.1116169066. Note that the first 3 decimals coincide. The cubic root of 2990680177 is about 1440.7545198678.

The spelling of 2990680177 in words is "two billion, nine hundred ninety million, six hundred eighty thousand, one hundred seventy-seven".