87694934 has 4 divisors (see below), whose sum is σ = 131542404. Its totient is φ = 43847466.

The previous prime is 87694907. The next prime is 87694949. The reversal of 87694934 is 43949678.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43949678 = 2 ⋅21974839.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21923732 + ... + 21923735.

It is an arithmetic number, because the mean of its divisors is an integer number (32885601).

Almost surely, 2^87694934 is an apocalyptic number.

87694934 is a deficient number, since it is larger than the sum of its proper divisors (43847470).

87694934 is a wasteful number, since it uses less digits than its factorization.

87694934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43847469.

The product of its digits is 1306368, while the sum is 50.

The square root of 87694934 is about 9364.5573307018. The cubic root of 87694934 is about 444.2814376434.

The spelling of 87694934 in words is "eighty-seven million, six hundred ninety-four thousand, nine hundred thirty-four".