87388862 has 12 divisors (see below), whose sum is σ = 144083688. Its totient is φ = 39722100.

The previous prime is 87388843. The next prime is 87388867. The reversal of 87388862 is 26888378.

It is a self number, because there is not a number n which added to its sum of digits gives 87388862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87388867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180314 + ... + 180797.

It is an arithmetic number, because the mean of its divisors is an integer number (12006974).

Almost surely, 2^87388862 is an apocalyptic number.

87388862 is a deficient number, since it is larger than the sum of its proper divisors (56694826).

87388862 is a wasteful number, since it uses less digits than its factorization.

87388862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361135 (or 361124 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 87388862 is about 9348.2010034017. The cubic root of 87388862 is about 443.7639595688.

The spelling of 87388862 in words is "eighty-seven million, three hundred eighty-eight thousand, eight hundred sixty-two".