87451204 has 6 divisors (see below), whose sum is σ = 153039614. Its totient is φ = 43725600.

The previous prime is 87451201. The next prime is 87451241. The reversal of 87451204 is 40215478.

It can be written as a sum of positive squares in only one way, i.e., 71064900 + 16386304 = 8430^2 + 4048^2 .

It is not an unprimeable number, because it can be changed into a prime (87451201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10931397 + ... + 10931404.

Almost surely, 2^87451204 is an apocalyptic number.

It is an amenable number.

87451204 is a deficient number, since it is larger than the sum of its proper divisors (65588410).

87451204 is a wasteful number, since it uses less digits than its factorization.

87451204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21862805 (or 21862803 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 87451204 is about 9351.5348472858. The cubic root of 87451204 is about 443.8694594998.

The spelling of 87451204 in words is "eighty-seven million, four hundred fifty-one thousand, two hundred four".