90963736865 has 16 divisors (see below), whose sum is σ = 109591569216. Its totient is φ = 72481358400.

The previous prime is 90963736789. The next prime is 90963736921. The reversal of 90963736865 is 56863736909.

It is not a de Polignac number, because 90963736865 - 2²² = 90959542561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90963736798 and 90963736807.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1730054 + ... + 1781856.

It is an arithmetic number, because the mean of its divisors is an integer number (6849473076).

Almost surely, 2^90963736865 is an apocalyptic number.

It is an amenable number.

90963736865 is a deficient number, since it is larger than the sum of its proper divisors (18627832351).

90963736865 is a wasteful number, since it uses less digits than its factorization.

90963736865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53200.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 90963736865 in words is "ninety billion, nine hundred sixty-three million, seven hundred thirty-six thousand, eight hundred sixty-five".