87104787 has 64 divisors (see below), whose sum is σ = 157344768. Its totient is φ = 41472000.

The previous prime is 87104779. The next prime is 87104791. The reversal of 87104787 is 78740178.

It is not a de Polignac number, because 87104787 - 2³ = 87104779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87104707) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 160737 + ... + 161277.

It is an arithmetic number, because the mean of its divisors is an integer number (2458512).

Almost surely, 2^87104787 is an apocalyptic number.

87104787 is a deficient number, since it is larger than the sum of its proper divisors (70239981).

87104787 is a wasteful number, since it uses less digits than its factorization.

87104787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 87808, while the sum is 42.

The square root of 87104787 is about 9332.9945355175. The cubic root of 87104787 is about 443.2825897160.

The spelling of 87104787 in words is "eighty-seven million, one hundred four thousand, seven hundred eighty-seven".