857533758988 has 12 divisors (see below), whose sum is σ = 1518764609880. Its totient is φ = 423601013312.

The previous prime is 857533758959. The next prime is 857533759007. The reversal of 857533758988 is 889857335758.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1291466173 + ... + 1291466836.

It is an arithmetic number, because the mean of its divisors is an integer number (126563717490).

Almost surely, 2^857533758988 is an apocalyptic number.

It is an amenable number.

857533758988 is a deficient number, since it is larger than the sum of its proper divisors (661230850892).

857533758988 is a wasteful number, since it uses less digits than its factorization.

857533758988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582933096 (or 2582933094 counting only the distinct ones).

The product of its digits is 2032128000, while the sum is 76.

The spelling of 857533758988 in words is "eight hundred fifty-seven billion, five hundred thirty-three million, seven hundred fifty-eight thousand, nine hundred eighty-eight".