87280508 has 48 divisors (see below), whose sum is σ = 179196864. Its totient is φ = 36426240.

The previous prime is 87280507. The next prime is 87280511. The reversal of 87280508 is 80508278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87280507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233810 + ... + 234182.

It is an arithmetic number, because the mean of its divisors is an integer number (3733268).

Almost surely, 2^87280508 is an apocalyptic number.

It is an amenable number.

87280508 is an abundant number, since it is smaller than the sum of its proper divisors (91916356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87280508 is a wasteful number, since it uses less digits than its factorization.

87280508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 87280508 is about 9342.4037592046. The cubic root of 87280508 is about 443.5804751379.

The spelling of 87280508 in words is "eighty-seven million, two hundred eighty thousand, five hundred eight".