90368776998 has 24 divisors (see below), whose sum is σ = 195832450008. Its totient is φ = 30117782112.

The previous prime is 90368776973. The next prime is 90368777087. The reversal of 90368776998 is 89967786309.

It is a super-2 number, since 2×90368776998² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319536 + ... + 531827.

It is an arithmetic number, because the mean of its divisors is an integer number (8159685417).

Almost surely, 2^90368776998 is an apocalyptic number.

90368776998 is an abundant number, since it is smaller than the sum of its proper divisors (105463673010).

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

90368776998 is a wasteful number, since it uses less digits than its factorization.

90368776998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857268 (or 857265 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 72.

The spelling of 90368776998 in words is "ninety billion, three hundred sixty-eight million, seven hundred seventy-six thousand, nine hundred ninety-eight".