90639096102 has 12 divisors (see below), whose sum is σ = 196384708260. Its totient is φ = 30213032028.

The previous prime is 90639096083. The next prime is 90639096109. The reversal of 90639096102 is 20169093609.

It is a happy number.

90639096102 is a `hidden beast` number, since 9 + 0 + 639 + 0 + 9 + 6 + 1 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90639096109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2517752652 + ... + 2517752687.

It is an arithmetic number, because the mean of its divisors is an integer number (16365392355).

Almost surely, 2^90639096102 is an apocalyptic number.

90639096102 is an abundant number, since it is smaller than the sum of its proper divisors (105745612158).

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

90639096102 is a wasteful number, since it uses less digits than its factorization.

90639096102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035505347 (or 5035505344 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 90639096102 in words is "ninety billion, six hundred thirty-nine million, ninety-six thousand, one hundred two".