208086080 has 28 divisors (see below), whose sum is σ = 495505740. Its totient is φ = 83234304.

The previous prime is 208086077. The next prime is 208086139. The reversal of 208086080 is 80680802.

It can be written as a sum of positive squares in 2 ways, for example, as 84787264 + 123298816 = 9208^2 + 11104^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324815 + ... + 325454.

Almost surely, 2^208086080 is an apocalyptic number.

208086080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208086080 is an abundant number, since it is smaller than the sum of its proper divisors (287419660).

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

208086080 is an equidigital number, since it uses as much as digits as its factorization.

208086080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650286 (or 650276 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 208086080 is about 14425.1890802166. The cubic root of 208086080 is about 592.5809369158.

The spelling of 208086080 in words is "two hundred eight million, eighty-six thousand, eighty".