870571433771 has 12 divisors (see below), whose sum is σ = 964612803528. Its totient is φ = 784915919424.

The previous prime is 870571433759. The next prime is 870571433773. The reversal of 870571433771 is 177334175078.

It is not a de Polignac number, because 870571433771 - 2¹⁰ = 870571432747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870571433773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59891690 + ... + 59906223.

It is an arithmetic number, because the mean of its divisors is an integer number (80384400294).

Almost surely, 2^870571433771 is an apocalyptic number.

870571433771 is a deficient number, since it is larger than the sum of its proper divisors (94041369757).

870571433771 is a wasteful number, since it uses less digits than its factorization.

870571433771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119797982 (or 119797969 counting only the distinct ones).

The product of its (nonzero) digits is 3457440, while the sum is 53.

The spelling of 870571433771 in words is "eight hundred seventy billion, five hundred seventy-one million, four hundred thirty-three thousand, seven hundred seventy-one".