857150078976 has 135 divisors (see below), whose sum is σ = 2477163213343. Its totient is φ = 285598187520.

The previous prime is 857150078929. The next prime is 857150079001. The reversal of 857150078976 is 679870051758.

The square root of 857150078976 is 925824.

It is a perfect power (a square), and thus also a powerful number.

857150078976 is a `hidden beast` number, since 8 + 57 + 1 + 500 + 7 + 8 + 9 + 76 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 355515211 + ... + 355517621.

Almost surely, 2^857150078976 is an apocalyptic number.

857150078976 is the 925824-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 857150078976

857150078976 is an abundant number, since it is smaller than the sum of its proper divisors (1620013134367).

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

857150078976 is an frugal number, since it uses more digits than its factorization.

857150078976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856 (or 2416 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 63.

The spelling of 857150078976 in words is "eight hundred fifty-seven billion, one hundred fifty million, seventy-eight thousand, nine hundred seventy-six".