860157905812 has 6 divisors (see below), whose sum is σ = 1505276335178. Its totient is φ = 430078952904.

The previous prime is 860157905771. The next prime is 860157905843. The reversal of 860157905812 is 218509751068.

It can be written as a sum of positive squares in only one way, i.e., 718635980176 + 141521925636 = 847724^2 + 376194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 860157905812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107519738223 + ... + 107519738230.

Almost surely, 2^860157905812 is an apocalyptic number.

It is an amenable number.

860157905812 is a deficient number, since it is larger than the sum of its proper divisors (645118429366).

860157905812 is a wasteful number, since it uses less digits than its factorization.

860157905812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215039476457 (or 215039476455 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 52.

The spelling of 860157905812 in words is "eight hundred sixty billion, one hundred fifty-seven million, nine hundred five thousand, eight hundred twelve".