87100004 has 12 divisors (see below), whose sum is σ = 153200124. Its totient is φ = 43328544.

The previous prime is 87099979. The next prime is 87100043. The reversal of 87100004 is 40000178.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75864100 + 11235904 = 8710^2 + 3352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54479 + ... + 56054.

It is an arithmetic number, because the mean of its divisors is an integer number (12766677).

Almost surely, 2^87100004 is an apocalyptic number.

It is an amenable number.

87100004 is a deficient number, since it is larger than the sum of its proper divisors (66100120).

87100004 is a wasteful number, since it uses less digits than its factorization.

87100004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110734 (or 110732 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 87100004 is about 9332.7382905555. The cubic root of 87100004 is about 443.2744758894.

The spelling of 87100004 in words is "eighty-seven million, one hundred thousand, four".