87412400 has 30 divisors (see below), whose sum is σ = 210009252. Its totient is φ = 34964800.

The previous prime is 87412399. The next prime is 87412411. The reversal of 87412400 is 421478.

It is a self number, because there is not a number n which added to its sum of digits gives 87412400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108866 + ... + 109665.

Almost surely, 2^87412400 is an apocalyptic number.

87412400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87412400 is an abundant number, since it is smaller than the sum of its proper divisors (122596852).

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

87412400 is a wasteful number, since it uses less digits than its factorization.

87412400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218549 (or 218538 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 87412400 is about 9349.4598774475. The cubic root of 87412400 is about 443.8037982781.

Adding to 87412400 its reverse (421478), we get a palindrome (87833878).

The spelling of 87412400 in words is "eighty-seven million, four hundred twelve thousand, four hundred".