2077990931 has 8 divisors (see below), whose sum is σ = 2127677760. Its totient is φ = 2028532288.

The previous prime is 2077990919. The next prime is 2077990949. The reversal of 2077990931 is 1390997702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2077990931 - 2¹⁸ = 2077728787 is a prime.

It is a super-2 number, since 2×2077990931² = 8636092618636493522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2077990951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38546 + ... + 75111.

It is an arithmetic number, because the mean of its divisors is an integer number (265959720).

Almost surely, 2^2077990931 is an apocalyptic number.

2077990931 is a deficient number, since it is larger than the sum of its proper divisors (49686829).

2077990931 is a wasteful number, since it uses less digits than its factorization.

2077990931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114093.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 2077990931 is about 45584.9858067325. The cubic root of 2077990931 is about 1276.0897372629.

The spelling of 2077990931 in words is "two billion, seventy-seven million, nine hundred ninety thousand, nine hundred thirty-one".