956776657642 has 32 divisors (see below), whose sum is σ = 1558433036160. Its totient is φ = 437925476160.

The previous prime is 956776657597. The next prime is 956776657649. The reversal of 956776657642 is 246756677659.

It is not an unprimeable number, because it can be changed into a prime (956776657649) 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, 1406293 + ... + 1972615.

It is an arithmetic number, because the mean of its divisors is an integer number (48701032380).

Almost surely, 2^956776657642 is an apocalyptic number.

956776657642 is a deficient number, since it is larger than the sum of its proper divisors (601656378518).

956776657642 is a wasteful number, since it uses less digits than its factorization.

956776657642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566878.

The product of its digits is 800150400, while the sum is 70.

The spelling of 956776657642 in words is "nine hundred fifty-six billion, seven hundred seventy-six million, six hundred fifty-seven thousand, six hundred forty-two".