90978050308 has 24 divisors (see below), whose sum is σ = 160958064960. Its totient is φ = 44991516960.

The previous prime is 90978050299. The next prime is 90978050329. The reversal of 90978050308 is 80305087909.

It is an unprimeable number.

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, 60153 + ... + 430783.

It is an arithmetic number, because the mean of its divisors is an integer number (6706586040).

Almost surely, 2^90978050308 is an apocalyptic number.

It is an amenable number.

90978050308 is a deficient number, since it is larger than the sum of its proper divisors (69980014652).

90978050308 is a wasteful number, since it uses less digits than its factorization.

90978050308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371307 (or 371305 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 90978050308 in words is "ninety billion, nine hundred seventy-eight million, fifty thousand, three hundred eight".