90909523719936 has 108 divisors (see below), whose sum is σ = 262573617185880. Its totient is φ = 30250103777280.

The previous prime is 90909523719907. The next prime is 90909523719977. The reversal of 90909523719936 is 63991732590909.

90909523719936 is a `hidden beast` number, since 9 + 0 + 9 + 0 + 9 + 523 + 7 + 1 + 9 + 93 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent 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, 33235431 + ... + 35866598.

Almost surely, 2^{90909523719936} is an apocalyptic number.

90909523719936 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

90909523719936 is an abundant number, since it is smaller than the sum of its proper divisors (171664093465944).

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

90909523719936 is a wasteful number, since it uses less digits than its factorization.

90909523719936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69102622 (or 69102605 counting only the distinct ones).

The product of its (nonzero) digits is 223205220, while the sum is 72.

The spelling of 90909523719936 in words is "ninety trillion, nine hundred nine billion, five hundred twenty-three million, seven hundred nineteen thousand, nine hundred thirty-six".