87568942 has 4 divisors (see below), whose sum is σ = 131353416. Its totient is φ = 43784470.

The previous prime is 87568937. The next prime is 87568961. The reversal of 87568942 is 24986578.

It is a semiprime because it is the product of two primes.

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, 21892234 + ... + 21892237.

It is an arithmetic number, because the mean of its divisors is an integer number (32838354).

Almost surely, 2^87568942 is an apocalyptic number.

87568942 is a deficient number, since it is larger than the sum of its proper divisors (43784474).

87568942 is a wasteful number, since it uses less digits than its factorization.

87568942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43784473.

The product of its digits is 967680, while the sum is 49.

The square root of 87568942 is about 9357.8278462472. The cubic root of 87568942 is about 444.0685681241.

The spelling of 87568942 in words is "eighty-seven million, five hundred sixty-eight thousand, nine hundred forty-two".