855904023734 has 32 divisors (see below), whose sum is σ = 1363128878496. Its totient is φ = 402509399040.

The previous prime is 855904023731. The next prime is 855904023757. The reversal of 855904023734 is 437320409558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855904023731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077857 + ... + 1695164.

It is an arithmetic number, because the mean of its divisors is an integer number (42597777453).

Almost surely, 2^855904023734 is an apocalyptic number.

855904023734 is a deficient number, since it is larger than the sum of its proper divisors (507224854762).

855904023734 is a wasteful number, since it uses less digits than its factorization.

855904023734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773200.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 855904023734 in words is "eight hundred fifty-five billion, nine hundred four million, twenty-three thousand, seven hundred thirty-four".