9900858934 has 16 divisors (see below), whose sum is σ = 15424063200. Its totient is φ = 4762511424.

The previous prime is 9900858901. The next prime is 9900858953. The reversal of 9900858934 is 4398580099.

It is a congruent number.

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, 745074 + ... + 758245.

It is an arithmetic number, because the mean of its divisors is an integer number (964003950).

Almost surely, 2^9900858934 is an apocalyptic number.

9900858934 is a deficient number, since it is larger than the sum of its proper divisors (5523204266).

9900858934 is a wasteful number, since it uses less digits than its factorization.

9900858934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503447.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 9900858934 is about 99503.0599227984. The cubic root of 9900858934 is about 2147.2912658137.

The spelling of 9900858934 in words is "nine billion, nine hundred million, eight hundred fifty-eight thousand, nine hundred thirty-four".