90927966608 has 20 divisors (see below), whose sum is σ = 176214143820. Its totient is φ = 45453348864.

The previous prime is 90927966581. The next prime is 90927966631. The reversal of 90927966608 is 80666972909.

It can be written as a sum of positive squares in 2 ways, for example, as 39765145744 + 51162820864 = 199412^2 + 226192^2 .

It is a super-2 number, since 2×90927966608² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593885 + ... + 731132.

It is an arithmetic number, because the mean of its divisors is an integer number (8810707191).

Almost surely, 2^90927966608 is an apocalyptic number.

It is an amenable number.

90927966608 is a deficient number, since it is larger than the sum of its proper divisors (85286177212).

90927966608 is a wasteful number, since it uses less digits than its factorization.

90927966608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329314 (or 1329308 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 90927966608 in words is "ninety billion, nine hundred twenty-seven million, nine hundred sixty-six thousand, six hundred eight".