87394768 has 10 divisors (see below), whose sum is σ = 169327394. Its totient is φ = 43697376.

The previous prime is 87394759. The next prime is 87394771. The reversal of 87394768 is 86749378.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81577024 + 5817744 = 9032^2 + 2412^2 .

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, 2731071 + ... + 2731102.

Almost surely, 2^87394768 is an apocalyptic number.

It is an amenable number.

87394768 is a deficient number, since it is larger than the sum of its proper divisors (81932626).

87394768 is a wasteful number, since it uses less digits than its factorization.

87394768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462181 (or 5462175 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 87394768 is about 9348.5168877207. The cubic root of 87394768 is about 443.7739563077.

The spelling of 87394768 in words is "eighty-seven million, three hundred ninety-four thousand, seven hundred sixty-eight".