857145158088 has 32 divisors (see below), whose sum is σ = 2142940341600. Its totient is φ = 285704726528.

The previous prime is 857145158069. The next prime is 857145158117. The reversal of 857145158088 is 880851541758.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47695 + ... + 1310177.

It is an arithmetic number, because the mean of its divisors is an integer number (66966885675).

Almost surely, 2^857145158088 is an apocalyptic number.

It is an amenable number.

857145158088 is an abundant number, since it is smaller than the sum of its proper divisors (1285795183512).

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

857145158088 is a wasteful number, since it uses less digits than its factorization.

857145158088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290781 (or 1290777 counting only the distinct ones).

The product of its (nonzero) digits is 14336000, while the sum is 60.

The spelling of 857145158088 in words is "eight hundred fifty-seven billion, one hundred forty-five million, one hundred fifty-eight thousand, eighty-eight".