90102802 has 16 divisors (see below), whose sum is σ = 142762752. Its totient is φ = 42582960.

The previous prime is 90102787. The next prime is 90102821. The reversal of 90102802 is 20820109.

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, 14233 + ... + 19564.

It is an arithmetic number, because the mean of its divisors is an integer number (8922672).

Almost surely, 2^90102802 is an apocalyptic number.

90102802 is a deficient number, since it is larger than the sum of its proper divisors (52659950).

90102802 is a wasteful number, since it uses less digits than its factorization.

90102802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33873.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 90102802 is about 9492.2495753114. The cubic root of 90102802 is about 448.3110383862.

The spelling of 90102802 in words is "ninety million, one hundred two thousand, eight hundred two".