90887722518383 has 12 divisors (see below), whose sum is σ = 105739480401552. Its totient is φ = 77894222968800.

The previous prime is 90887722518361. The next prime is 90887722518391. The reversal of 90887722518383 is 38381522778809.

It is a happy number.

It is not a de Polignac number, because 90887722518383 - 2³² = 90883427551087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90887722518683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113157518 + ... + 113957883.

It is an arithmetic number, because the mean of its divisors is an integer number (8811623366796).

Almost surely, 2^{90887722518383} is an apocalyptic number.

90887722518383 is a deficient number, since it is larger than the sum of its proper divisors (14851757883169).

90887722518383 is a wasteful number, since it uses less digits than its factorization.

90887722518383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227123582 (or 227123575 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 71.

The spelling of 90887722518383 in words is "ninety trillion, eight hundred eighty-seven billion, seven hundred twenty-two million, five hundred eighteen thousand, three hundred eighty-three".