859612216958 has 24 divisors (see below), whose sum is σ = 1419182032800. Its totient is φ = 390212460000.

The previous prime is 859612216919. The next prime is 859612216961.

859612216958 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 859612216958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2183183 + ... + 2546666.

It is an arithmetic number, because the mean of its divisors is an integer number (59132584700).

Almost surely, 2^859612216958 is an apocalyptic number.

859612216958 is a deficient number, since it is larger than the sum of its proper divisors (559569815842).

859612216958 is a wasteful number, since it uses less digits than its factorization.

859612216958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730624 (or 4730613 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 62.

The spelling of 859612216958 in words is "eight hundred fifty-nine billion, six hundred twelve million, two hundred sixteen thousand, nine hundred fifty-eight".