457857931784 has 32 divisors (see below), whose sum is σ = 936555056640. Its totient is φ = 208111137600.

The previous prime is 457857931771. The next prime is 457857931801. The reversal of 457857931784 is 487139758754.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4474457 + ... + 4575639.

It is an arithmetic number, because the mean of its divisors is an integer number (29267345520).

Almost surely, 2^457857931784 is an apocalyptic number.

457857931784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

457857931784 is an abundant number, since it is smaller than the sum of its proper divisors (478697124856).

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

457857931784 is a wasteful number, since it uses less digits than its factorization.

457857931784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152621 (or 152617 counting only the distinct ones).

The product of its digits is 237081600, while the sum is 68.

The spelling of 457857931784 in words is "four hundred fifty-seven billion, eight hundred fifty-seven million, nine hundred thirty-one thousand, seven hundred eighty-four".