867493912871508 has 96 divisors (see below), whose sum is σ = 2313293475459456. Its totient is φ = 250652868390912.

The previous prime is 867493912871507. The next prime is 867493912871561. The reversal of 867493912871508 is 805178219394768.

It is a hoax number, since the sum of its digits (78) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867493912871507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368023041 + ... + 370372712.

It is an arithmetic number, because the mean of its divisors is an integer number (24096807036036).

It is a 2-persistent number, because it is pandigital, and so is 2⋅867493912871508 = 1734987825743016, but 3⋅867493912871508 = 2602481738614524 is not.

Almost surely, 2^{867493912871508} is an apocalyptic number.

It is an amenable number.

867493912871508 is an abundant number, since it is smaller than the sum of its proper divisors (1445799562587948).

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

867493912871508 is a wasteful number, since it uses less digits than its factorization.

867493912871508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738396233 (or 738396231 counting only the distinct ones).

The product of its (nonzero) digits is 1463132160, while the sum is 78.

The spelling of 867493912871508 in words is "eight hundred sixty-seven trillion, four hundred ninety-three billion, nine hundred twelve million, eight hundred seventy-one thousand, five hundred eight".