875616616578 has 32 divisors (see below), whose sum is σ = 1911151890432. Its totient is φ = 265238974800.

The previous prime is 875616616489. The next prime is 875616616597.

875616616578 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2307226 + ... + 2659797.

It is an arithmetic number, because the mean of its divisors is an integer number (59723496576).

Almost surely, 2^875616616578 is an apocalyptic number.

875616616578 is an abundant number, since it is smaller than the sum of its proper divisors (1035535273854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

875616616578 is a wasteful number, since it uses less digits than its factorization.

875616616578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969710.

The product of its digits is 101606400, while the sum is 66.

The spelling of 875616616578 in words is "eight hundred seventy-five billion, six hundred sixteen million, six hundred sixteen thousand, five hundred seventy-eight".