879698896978 has 48 divisors (see below), whose sum is σ = 1486173510360. Its totient is φ = 390009312000.

The previous prime is 879698896943. The next prime is 879698897029.

879698896978 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 858111353649 + 21587543329 = 926343^2 + 146927^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48698068 + ... + 48716128.

Almost surely, 2^879698896978 is an apocalyptic number.

879698896978 is a deficient number, since it is larger than the sum of its proper divisors (606474613382).

879698896978 is a wasteful number, since it uses less digits than its factorization.

879698896978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23035 (or 23024 counting only the distinct ones).

The product of its digits is 47405481984, while the sum is 94.

The spelling of 879698896978 in words is "eight hundred seventy-nine billion, six hundred ninety-eight million, eight hundred ninety-six thousand, nine hundred seventy-eight".