879529606925978 has 16 divisors (see below), whose sum is σ = 1320972650346816. Its totient is φ = 439205647648320.

The previous prime is 879529606925951. The next prime is 879529606925989.

It is a happy number.

879529606925978 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57542576 + ... + 71205387.

It is an arithmetic number, because the mean of its divisors is an integer number (82560790646676).

Almost surely, 2^{879529606925978} is an apocalyptic number.

879529606925978 is a deficient number, since it is larger than the sum of its proper divisors (441443043420838).

879529606925978 is a wasteful number, since it uses less digits than its factorization.

879529606925978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128752309.

The product of its (nonzero) digits is 74071065600, while the sum is 92.

The spelling of 879529606925978 in words is "eight hundred seventy-nine trillion, five hundred twenty-nine billion, six hundred six million, nine hundred twenty-five thousand, nine hundred seventy-eight".