87245268 has 24 divisors (see below), whose sum is σ = 222079200. Its totient is φ = 26437920.

The previous prime is 87245267. The next prime is 87245269. The reversal of 87245268 is 86254278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87245267) and next prime (87245269).

It is a super-2 number, since 2×87245268² = 15223473576783648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87245267) 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, 330343 + ... + 330606.

It is an arithmetic number, because the mean of its divisors is an integer number (9253300).

Almost surely, 2^87245268 is an apocalyptic number.

It is an amenable number.

87245268 is an abundant number, since it is smaller than the sum of its proper divisors (134833932).

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

87245268 is a wasteful number, since it uses less digits than its factorization.

87245268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660967 (or 660965 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 87245268 is about 9340.5175445475. The cubic root of 87245268 is about 443.5207677241.

The spelling of 87245268 in words is "eighty-seven million, two hundred forty-five thousand, two hundred sixty-eight".