90868026100 has 18 divisors (see below), whose sum is σ = 197183616854. Its totient is φ = 36347210400.

The previous prime is 90868026083. The next prime is 90868026143. The reversal of 90868026100 is 162086809.

It can be written as a sum of positive squares in 3 ways, for example, as 1609293456 + 89258732644 = 40116^2 + 298762^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454340031 + ... + 454340230.

Almost surely, 2^90868026100 is an apocalyptic number.

It is an amenable number.

90868026100 is an abundant number, since it is smaller than the sum of its proper divisors (106315590754).

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

90868026100 is a wasteful number, since it uses less digits than its factorization.

90868026100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908680275 (or 908680268 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 90868026100 in words is "ninety billion, eight hundred sixty-eight million, twenty-six thousand, one hundred".