90808861100 has 36 divisors (see below), whose sum is σ = 203411855808. Its totient is φ = 35151816000.

The previous prime is 90808861081. The next prime is 90808861123. The reversal of 90808861100 is 116880809.

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, 14643491 + ... + 14649690.

It is an arithmetic number, because the mean of its divisors is an integer number (5650329328).

Almost surely, 2^90808861100 is an apocalyptic number.

It is an amenable number.

90808861100 is an abundant number, since it is smaller than the sum of its proper divisors (112602994708).

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

90808861100 is a wasteful number, since it uses less digits than its factorization.

90808861100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29293226 (or 29293219 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 41.

The spelling of 90808861100 in words is "ninety billion, eight hundred eight million, eight hundred sixty-one thousand, one hundred".