87280688 has 30 divisors (see below), whose sum is σ = 185881332. Its totient is φ = 39672160.

The previous prime is 87280681. The next prime is 87280693. The reversal of 87280688 is 88608278.

It is not an unprimeable number, because it can be changed into a prime (87280681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20606 + ... + 24477.

Almost surely, 2^87280688 is an apocalyptic number.

87280688 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

87280688 is an abundant number, since it is smaller than the sum of its proper divisors (98600644).

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

87280688 is a wasteful number, since it uses less digits than its factorization.

87280688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45113 (or 45096 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 47.

The square root of 87280688 is about 9342.4133926946. The cubic root of 87280688 is about 443.5807800721.

The spelling of 87280688 in words is "eighty-seven million, two hundred eighty thousand, six hundred eighty-eight".