87242808 has 32 divisors (see below), whose sum is σ = 218428560. Its totient is φ = 29038080.

The previous prime is 87242807. The next prime is 87242809. The reversal of 87242808 is 80824278.

It is an interprime number because it is at equal distance from previous prime (87242807) and next prime (87242809).

It is a super-3 number, since 3×87242808³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87242807) 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, 16848 + ... + 21408.

Almost surely, 2^87242808 is an apocalyptic number.

It is an amenable number.

87242808 is an abundant number, since it is smaller than the sum of its proper divisors (131185752).

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

87242808 is a wasteful number, since it uses less digits than its factorization.

87242808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5363 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 87242808 is about 9340.3858592673. The cubic root of 87242808 is about 443.5165991261.

The spelling of 87242808 in words is "eighty-seven million, two hundred forty-two thousand, eight hundred eight".