875868868531 has 2 divisors, whose sum is σ = 875868868532. Its totient is φ = 875868868530.

The previous prime is 875868868463. The next prime is 875868868543. The reversal of 875868868531 is 135868868578.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 875868868531 - 2²⁷ = 875734650803 is a prime.

It is a super-2 number, since 2×875868868531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (875868863531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437934434265 + 437934434266.

It is an arithmetic number, because the mean of its divisors is an integer number (437934434266).

Almost surely, 2^875868868531 is an apocalyptic number.

875868868531 is a deficient number, since it is larger than the sum of its proper divisors (1).

875868868531 is an equidigital number, since it uses as much as digits as its factorization.

875868868531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 619315200, while the sum is 73.

The spelling of 875868868531 in words is "eight hundred seventy-five billion, eight hundred sixty-eight million, eight hundred sixty-eight thousand, five hundred thirty-one".