90924817960 has 32 divisors (see below), whose sum is σ = 204669649800. Its totient is φ = 36354138880.

The previous prime is 90924817957. The next prime is 90924817987. The reversal of 90924817960 is 6971842909.

It can be written as a sum of positive squares in 4 ways, for example, as 67609360324 + 23315457636 = 260018^2 + 152694^2 .

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, 399871 + ... + 584590.

Almost surely, 2^90924817960 is an apocalyptic number.

It is an amenable number.

90924817960 is an abundant number, since it is smaller than the sum of its proper divisors (113744831840).

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

90924817960 is a wasteful number, since it uses less digits than its factorization.

90924817960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986781 (or 986777 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 90924817960 in words is "ninety billion, nine hundred twenty-four million, eight hundred seventeen thousand, nine hundred sixty".