851152478 has 36 divisors (see below), whose sum is σ = 1427877360. Its totient is φ = 380179800.

The previous prime is 851152453. The next prime is 851152501. The reversal of 851152478 is 874251158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4033793 + ... + 4034003.

It is an arithmetic number, because the mean of its divisors is an integer number (39663260).

Almost surely, 2^851152478 is an apocalyptic number.

851152478 is a deficient number, since it is larger than the sum of its proper divisors (576724882).

851152478 is a wasteful number, since it uses less digits than its factorization.

851152478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 303 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 851152478 is about 29174.5176138355. The cubic root of 851152478 is about 947.6961637647.

The spelling of 851152478 in words is "eight hundred fifty-one million, one hundred fifty-two thousand, four hundred seventy-eight".