87109694 has 16 divisors (see below), whose sum is σ = 155824128. Its totient is φ = 35709432.

The previous prime is 87109679. The next prime is 87109697. The reversal of 87109694 is 49690178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87109697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134942 + ... + 135585.

It is an arithmetic number, because the mean of its divisors is an integer number (9739008).

Almost surely, 2^87109694 is an apocalyptic number.

87109694 is a deficient number, since it is larger than the sum of its proper divisors (68714434).

87109694 is a wasteful number, since it uses less digits than its factorization.

87109694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270559.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 87109694 is about 9333.2574163579. The cubic root of 87109694 is about 443.2909135862.

The spelling of 87109694 in words is "eighty-seven million, one hundred nine thousand, six hundred ninety-four".