865072944358 has 32 divisors (see below), whose sum is σ = 1572827904000. Its totient is φ = 348812624160.

The previous prime is 865072944343. The next prime is 865072944383. The reversal of 865072944358 is 853449270568.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a junction number, because it is equal to n+sod(n) for n = 865072944296 and 865072944305.

It is a congruent number.

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, 22001358 + ... + 22040641.

It is an arithmetic number, because the mean of its divisors is an integer number (49150872000).

Almost surely, 2^865072944358 is an apocalyptic number.

865072944358 is a deficient number, since it is larger than the sum of its proper divisors (707754959642).

865072944358 is a wasteful number, since it uses less digits than its factorization.

865072944358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44042092.

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 865072944358 in words is "eight hundred sixty-five billion, seventy-two million, nine hundred forty-four thousand, three hundred fifty-eight".