285706056857804 has 24 divisors (see below), whose sum is σ = 545470991865408. Its totient is φ = 129858733279440.

The previous prime is 285706056857791. The next prime is 285706056857833. The reversal of 285706056857804 is 408758650607582.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

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, 190650182 + ... + 192142925.

It is an arithmetic number, because the mean of its divisors is an integer number (22727957994392).

Almost surely, 2^{285706056857804} is an apocalyptic number.

It is an amenable number.

285706056857804 is a deficient number, since it is larger than the sum of its proper divisors (259764935007604).

285706056857804 is a wasteful number, since it uses less digits than its factorization.

285706056857804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382810085 (or 382810083 counting only the distinct ones).

The product of its (nonzero) digits is 903168000, while the sum is 71.

The spelling of 285706056857804 in words is "two hundred eighty-five trillion, seven hundred six billion, fifty-six million, eight hundred fifty-seven thousand, eight hundred four".