87253408 has 24 divisors (see below), whose sum is σ = 187397280. Its totient is φ = 39660480.

The previous prime is 87253393. The next prime is 87253409. The reversal of 87253408 is 80435278.

It is a super-2 number, since 2×87253408² = 15226314415228928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87253409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123588 + ... + 124291.

It is an arithmetic number, because the mean of its divisors is an integer number (7808220).

Almost surely, 2^87253408 is an apocalyptic number.

87253408 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

87253408 is an abundant number, since it is smaller than the sum of its proper divisors (100143872).

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

87253408 is a wasteful number, since it uses less digits than its factorization.

87253408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247900 (or 247892 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 87253408 is about 9340.9532704109. The cubic root of 87253408 is about 443.5345608190.

The spelling of 87253408 in words is "eighty-seven million, two hundred fifty-three thousand, four hundred eight".