90820994930 has 64 divisors (see below), whose sum is σ = 171305342208. Its totient is φ = 34602670080.

The previous prime is 90820994893. The next prime is 90820994941. The reversal of 90820994930 is 3949902809.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103088090 + ... + 103088970.

It is an arithmetic number, because the mean of its divisors is an integer number (2676645972).

Almost surely, 2^90820994930 is an apocalyptic number.

90820994930 is a deficient number, since it is larger than the sum of its proper divisors (80484347278).

90820994930 is a wasteful number, since it uses less digits than its factorization.

90820994930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 90820994930 in words is "ninety billion, eight hundred twenty million, nine hundred ninety-four thousand, nine hundred thirty".