905816855338 has 16 divisors (see below), whose sum is σ = 1381044482496. Its totient is φ = 445498159680.

The previous prime is 905816855323. The next prime is 905816855341. The reversal of 905816855338 is 833558618509.

905816855338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7304556 + ... + 7427527.

It is an arithmetic number, because the mean of its divisors is an integer number (86315280156).

Almost surely, 2^905816855338 is an apocalyptic number.

905816855338 is a deficient number, since it is larger than the sum of its proper divisors (475227627158).

905816855338 is a wasteful number, since it uses less digits than its factorization.

905816855338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732589.

The product of its (nonzero) digits is 31104000, while the sum is 61.

The spelling of 905816855338 in words is "nine hundred five billion, eight hundred sixteen million, eight hundred fifty-five thousand, three hundred thirty-eight".