90839381376 has 64 divisors (see below), whose sum is σ = 245844843120. Its totient is φ = 29708470272.

The previous prime is 90839381333. The next prime is 90839381377. The reversal of 90839381376 is 67318393809.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90839381377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2211355 + ... + 2252058.

Almost surely, 2^90839381376 is an apocalyptic number.

90839381376 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

90839381376 is an abundant number, since it is smaller than the sum of its proper divisors (155005461744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90839381376 is a wasteful number, since it uses less digits than its factorization.

90839381376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463483 (or 4463471 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 90839381376 in words is "ninety billion, eight hundred thirty-nine million, three hundred eighty-one thousand, three hundred seventy-six".