2660077957 has 16 divisors (see below), whose sum is σ = 2816939200. Its totient is φ = 2511918864.

The previous prime is 2660077933. The next prime is 2660078017. The reversal of 2660077957 is 7597700662.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2660077957 is a prime.

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 2660077957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660077757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3751519 + ... + 3752227.

It is an arithmetic number, because the mean of its divisors is an integer number (176058700).

Almost surely, 2^2660077957 is an apocalyptic number.

It is an amenable number.

2660077957 is a deficient number, since it is larger than the sum of its proper divisors (156861243).

2660077957 is an frugal number, since it uses more digits than its factorization.

2660077957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The square root of 2660077957 is about 51575.9435880721. The cubic root of 2660077957 is about 1385.5795177637.

The spelling of 2660077957 in words is "two billion, six hundred sixty million, seventy-seven thousand, nine hundred fifty-seven".