87688876 has 24 divisors (see below), whose sum is σ = 176218560. Its totient is φ = 37760400.

The previous prime is 87688859. The next prime is 87688877. The reversal of 87688876 is 67888678.

It is a self number, because there is not a number n which added to its sum of digits gives 87688876.

It is not an unprimeable number, because it can be changed into a prime (87688877) 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, 51610 + ... + 53281.

It is an arithmetic number, because the mean of its divisors is an integer number (7342440).

Almost surely, 2^87688876 is an apocalyptic number.

It is an amenable number.

87688876 is an abundant number, since it is smaller than the sum of its proper divisors (88529684).

87688876 is a wasteful number, since it uses less digits than its factorization.

87688876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104925 (or 104923 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 58.

The square root of 87688876 is about 9364.2338714921. The cubic root of 87688876 is about 444.2712070299.

The spelling of 87688876 in words is "eighty-seven million, six hundred eighty-eight thousand, eight hundred seventy-six".