878312570787 has 48 divisors (see below), whose sum is σ = 1286079762240. Its totient is φ = 577552896000.

The previous prime is 878312570761. The next prime is 878312570813. The reversal of 878312570787 is 787075213878.

It is an interprime number because it is at equal distance from previous prime (878312570761) and next prime (878312570813).

It is not a de Polignac number, because 878312570787 - 2³² = 874017603491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (878312570687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 430755514 + ... + 430757552.

It is an arithmetic number, because the mean of its divisors is an integer number (26793328380).

Almost surely, 2^878312570787 is an apocalyptic number.

878312570787 is a deficient number, since it is larger than the sum of its proper divisors (407767191453).

878312570787 is a wasteful number, since it uses less digits than its factorization.

878312570787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3561 counting only the distinct ones).

The product of its (nonzero) digits is 36879360, while the sum is 63.

The spelling of 878312570787 in words is "eight hundred seventy-eight billion, three hundred twelve million, five hundred seventy thousand, seven hundred eighty-seven".