87063868 has 24 divisors (see below), whose sum is σ = 161998704. Its totient is φ = 40800000.

The previous prime is 87063857. The next prime is 87063877. The reversal of 87063868 is 86836078.

It is a super-2 number, since 2×87063868² = 15160234222242848, which contains 22 as substring.

It is a congruent number.

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, 14518 + ... + 19618.

It is an arithmetic number, because the mean of its divisors is an integer number (6749946).

Almost surely, 2^87063868 is an apocalyptic number.

It is an amenable number.

87063868 is a deficient number, since it is larger than the sum of its proper divisors (74934836).

87063868 is a wasteful number, since it uses less digits than its factorization.

87063868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373 (or 5371 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 87063868 is about 9330.8021091437. The cubic root of 87063868 is about 443.2131655892.

The spelling of 87063868 in words is "eighty-seven million, sixty-three thousand, eight hundred sixty-eight".