852315866078 has 16 divisors (see below), whose sum is σ = 1305943863264. Its totient is φ = 417088869120.

The previous prime is 852315866071. The next prime is 852315866081. The reversal of 852315866078 is 870668513258.

It is a super-2 number, since 2×852315866078² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852315866071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21886475 + ... + 21925382.

It is an arithmetic number, because the mean of its divisors is an integer number (81621491454).

Almost surely, 2^852315866078 is an apocalyptic number.

852315866078 is a deficient number, since it is larger than the sum of its proper divisors (453627997186).

852315866078 is a wasteful number, since it uses less digits than its factorization.

852315866078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43812067.

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 852315866078 in words is "eight hundred fifty-two billion, three hundred fifteen million, eight hundred sixty-six thousand, seventy-eight".