87970888 has 16 divisors (see below), whose sum is σ = 167742000. Its totient is φ = 43239696.

The previous prime is 87970877. The next prime is 87970889. The reversal of 87970888 is 88807978.

It is not an unprimeable number, because it can be changed into a prime (87970889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92718 + ... + 93661.

It is an arithmetic number, because the mean of its divisors is an integer number (10483875).

Almost surely, 2^87970888 is an apocalyptic number.

It is an amenable number.

87970888 is a deficient number, since it is larger than the sum of its proper divisors (79771112).

87970888 is a wasteful number, since it uses less digits than its factorization.

87970888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186444 (or 186440 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 55.

The square root of 87970888 is about 9379.2797164814. The cubic root of 87970888 is about 444.7469638341.

The spelling of 87970888 in words is "eighty-seven million, nine hundred seventy thousand, eight hundred eighty-eight".