857070996 has 12 divisors (see below), whose sum is σ = 1999832352. Its totient is φ = 285690328.

The previous prime is 857070983. The next prime is 857071009. The reversal of 857070996 is 699070758.

It is an interprime number because it is at equal distance from previous prime (857070983) and next prime (857071009).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35711280 + ... + 35711303.

It is an arithmetic number, because the mean of its divisors is an integer number (166652696).

Almost surely, 2^857070996 is an apocalyptic number.

It is an amenable number.

857070996 is an abundant number, since it is smaller than the sum of its proper divisors (1142761356).

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

857070996 is a wasteful number, since it uses less digits than its factorization.

857070996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71422590 (or 71422588 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 857070996 is about 29275.7749000774. The cubic root of 857070996 is about 949.8877045474.

The spelling of 857070996 in words is "eight hundred fifty-seven million, seventy thousand, nine hundred ninety-six".