87909802 has 16 divisors (see below), whose sum is σ = 135761472. Its totient is φ = 42668640.

The previous prime is 87909799. The next prime is 87909821. The reversal of 87909802 is 20890978.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 11302 + ... + 17422.

It is an arithmetic number, because the mean of its divisors is an integer number (8485092).

Almost surely, 2^87909802 is an apocalyptic number.

87909802 is a deficient number, since it is larger than the sum of its proper divisors (47851670).

87909802 is a wasteful number, since it uses less digits than its factorization.

87909802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 87909802 is about 9376.0227175493. The cubic root of 87909802 is about 444.6439975596.

The spelling of 87909802 in words is "eighty-seven million, nine hundred nine thousand, eight hundred two".