90104798208 has 88 divisors (see below), whose sum is σ = 240782714640. Its totient is φ = 29957324800.

The previous prime is 90104798167. The next prime is 90104798221. The reversal of 90104798208 is 80289740109.

It is a super-2 number, since 2×90104798208² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157308 + ... + 1232708.

Almost surely, 2^90104798208 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 90104798208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120391357320).

90104798208 is an abundant number, since it is smaller than the sum of its proper divisors (150677916432).

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

90104798208 is a wasteful number, since it uses less digits than its factorization.

90104798208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75813 (or 75795 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 90104798208 in words is "ninety billion, one hundred four million, seven hundred ninety-eight thousand, two hundred eight".