87888862 has 4 divisors (see below), whose sum is σ = 131833296. Its totient is φ = 43944430.

The previous prime is 87888859. The next prime is 87888863. The reversal of 87888862 is 26888878.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87888863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21972214 + ... + 21972217.

It is an arithmetic number, because the mean of its divisors is an integer number (32958324).

Almost surely, 2^87888862 is an apocalyptic number.

87888862 is a deficient number, since it is larger than the sum of its proper divisors (43944434).

87888862 is a wasteful number, since it uses less digits than its factorization.

87888862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43944433.

The product of its digits is 2752512, while the sum is 55.

The square root of 87888862 is about 9374.9059728618. The cubic root of 87888862 is about 444.6086902163.

The spelling of 87888862 in words is "eighty-seven million, eight hundred eighty-eight thousand, eight hundred sixty-two".