90963865668 has 24 divisors (see below), whose sum is σ = 228575867968. Its totient is φ = 27988881696.

The previous prime is 90963865649. The next prime is 90963865717. The reversal of 90963865668 is 86656836909.

It is a junction number, because it is equal to n+sod(n) for n = 90963865599 and 90963865608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291550696 + ... + 291551007.

Almost surely, 2^90963865668 is an apocalyptic number.

It is an amenable number.

90963865668 is an abundant number, since it is smaller than the sum of its proper divisors (137612002300).

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

90963865668 is a wasteful number, since it uses less digits than its factorization.

90963865668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583101723 (or 583101721 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 66.

The spelling of 90963865668 in words is "ninety billion, nine hundred sixty-three million, eight hundred sixty-five thousand, six hundred sixty-eight".