87706402 has 16 divisors (see below), whose sum is σ = 151761600. Its totient is φ = 37236528.

The previous prime is 87706373. The next prime is 87706427. The reversal of 87706402 is 20460778.

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, 27777 + ... + 30772.

It is an arithmetic number, because the mean of its divisors is an integer number (9485100).

Almost surely, 2^87706402 is an apocalyptic number.

87706402 is a deficient number, since it is larger than the sum of its proper divisors (64055198).

87706402 is a wasteful number, since it uses less digits than its factorization.

87706402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58665.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 87706402 is about 9365.1696193929. The cubic root of 87706402 is about 444.3008032525.

The spelling of 87706402 in words is "eighty-seven million, seven hundred six thousand, four hundred two".