857790706 has 16 divisors (see below), whose sum is σ = 1292700384. Its totient is φ = 426895744.

The previous prime is 857790673. The next prime is 857790763. The reversal of 857790706 is 607097758.

It is a self number, because there is not a number n which added to its sum of digits gives 857790706.

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, 667941 + ... + 669223.

It is an arithmetic number, because the mean of its divisors is an integer number (80793774).

Almost surely, 2^857790706 is an apocalyptic number.

857790706 is a deficient number, since it is larger than the sum of its proper divisors (434909678).

857790706 is a wasteful number, since it uses less digits than its factorization.

857790706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 857790706 is about 29288.0642241853. The cubic root of 857790706 is about 950.1535138806.

The spelling of 857790706 in words is "eight hundred fifty-seven million, seven hundred ninety thousand, seven hundred six".