87490804 has 24 divisors (see below), whose sum is σ = 164924928. Its totient is φ = 40492320.

The previous prime is 87490769. The next prime is 87490807. The reversal of 87490804 is 40809478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87490807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12487 + ... + 18190.

It is an arithmetic number, because the mean of its divisors is an integer number (6871872).

Almost surely, 2^87490804 is an apocalyptic number.

It is an amenable number.

87490804 is a deficient number, since it is larger than the sum of its proper divisors (77434124).

87490804 is a wasteful number, since it uses less digits than its factorization.

87490804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30735 (or 30733 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 87490804 is about 9353.6519071430. The cubic root of 87490804 is about 443.9364476308.

The spelling of 87490804 in words is "eighty-seven million, four hundred ninety thousand, eight hundred four".