2772404987 has 4 divisors (see below), whose sum is σ = 3024441816. Its totient is φ = 2520368160.

The previous prime is 2772404983. The next prime is 2772405001. The reversal of 2772404987 is 7894042772.

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

It is a cyclic number.

It is not a de Polignac number, because 2772404987 - 2² = 2772404983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2772404983) 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, 126018398 + ... + 126018419.

It is an arithmetic number, because the mean of its divisors is an integer number (756110454).

Almost surely, 2^2772404987 is an apocalyptic number.

2772404987 is a deficient number, since it is larger than the sum of its proper divisors (252036829).

2772404987 is a wasteful number, since it uses less digits than its factorization.

2772404987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252036828.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 2772404987 is about 52653.6322298851. The cubic root of 2772404987 is about 1404.8142064239.

The spelling of 2772404987 in words is "two billion, seven hundred seventy-two million, four hundred four thousand, nine hundred eighty-seven".