90754847578944 has 392 divisors, whose sum is σ = 272709778541760. Its totient is φ = 29950764705792.

The previous prime is 90754847578921. The next prime is 90754847579041. The reversal of 90754847578944 is 44987574845709.

90754847578944 is a `hidden beast` number, since 9 + 0 + 7 + 5 + 484 + 7 + 57 + 89 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

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 55 ways as a sum of consecutive naturals, for example, 2422500757 + ... + 2422538219.

Almost surely, 2^{90754847578944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90754847578944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136354889270880).

90754847578944 is an abundant number, since it is smaller than the sum of its proper divisors (181954930962816).

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

90754847578944 is a wasteful number, since it uses less digits than its factorization.

90754847578944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38009 (or 37984 counting only the distinct ones).

The product of its (nonzero) digits is 11379916800, while the sum is 81.

The spelling of 90754847578944 in words is "ninety trillion, seven hundred fifty-four billion, eight hundred forty-seven million, five hundred seventy-eight thousand, nine hundred forty-four".