86572800 has 270 divisors, whose sum is σ = 322015848. Its totient is φ = 22947840.

The previous prime is 86572793. The next prime is 86572807. The reversal of 86572800 is 827568.

86572800 is a `hidden beast` number, since 8 + 6 + 572 + 80 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (86572793) and next prime (86572807).

It is a tau number, because it is divible by the number of its divisors (270).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86572807) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 518317 + ... + 518483.

Almost surely, 2^86572800 is an apocalyptic number.

86572800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86572800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161007924).

86572800 is an abundant number, since it is smaller than the sum of its proper divisors (235443048).

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

86572800 is a wasteful number, since it uses less digits than its factorization.

86572800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 86572800 is about 9304.4505479905. The cubic root of 86572800 is about 442.3783060931.

The spelling of 86572800 in words is "eighty-six million, five hundred seventy-two thousand, eight hundred".