90970962864 has 40 divisors (see below), whose sum is σ = 241359901680. Its totient is φ = 29504095488.

The previous prime is 90970962839. The next prime is 90970962869. The reversal of 90970962864 is 46826907909.

It is a junction number, because it is equal to n+sod(n) for n = 90970962798 and 90970962807.

It is not an unprimeable number, because it can be changed into a prime (90970962869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25609419 + ... + 25612970.

It is an arithmetic number, because the mean of its divisors is an integer number (6033997542).

Almost surely, 2^90970962864 is an apocalyptic number.

It is an amenable number.

90970962864 is an abundant number, since it is smaller than the sum of its proper divisors (150388938816).

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

90970962864 is a wasteful number, since it uses less digits than its factorization.

90970962864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51222437 (or 51222431 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 90970962864 in words is "ninety billion, nine hundred seventy million, nine hundred sixty-two thousand, eight hundred sixty-four".