90688227425 has 12 divisors (see below), whose sum is σ = 112457604336. Its totient is φ = 72547870800.

The previous prime is 90688227403. The next prime is 90688227431. The reversal of 90688227425 is 52472288609.

It is a de Polignac number, because none of the positive numbers 2^k-90688227425 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 867842 + ... + 966708.

It is an arithmetic number, because the mean of its divisors is an integer number (9371467028).

Almost surely, 2^90688227425 is an apocalyptic number.

It is an amenable number.

90688227425 is a deficient number, since it is larger than the sum of its proper divisors (21769376911).

90688227425 is a wasteful number, since it uses less digits than its factorization.

90688227425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135568 (or 135563 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 90688227425 in words is "ninety billion, six hundred eighty-eight million, two hundred twenty-seven thousand, four hundred twenty-five".