87404308 has 6 divisors (see below), whose sum is σ = 152957546. Its totient is φ = 43702152.

The previous prime is 87404281. The next prime is 87404309. The reversal of 87404308 is 80340478.

It can be written as a sum of positive squares in only one way, i.e., 76527504 + 10876804 = 8748^2 + 3298^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87404309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10925535 + ... + 10925542.

Almost surely, 2^87404308 is an apocalyptic number.

It is an amenable number.

87404308 is a deficient number, since it is larger than the sum of its proper divisors (65553238).

87404308 is a wasteful number, since it uses less digits than its factorization.

87404308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21851081 (or 21851079 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 87404308 is about 9349.0271151602. The cubic root of 87404308 is about 443.7901031534.

The spelling of 87404308 in words is "eighty-seven million, four hundred four thousand, three hundred eight".