82199360 has 28 divisors (see below), whose sum is σ = 195737988. Its totient is φ = 32879616.

The previous prime is 82199357. The next prime is 82199389. The reversal of 82199360 is 6399128.

It can be written as a sum of positive squares in 2 ways, for example, as 27793984 + 54405376 = 5272^2 + 7376^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 128117 + ... + 128756.

Almost surely, 2^82199360 is an apocalyptic number.

82199360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82199360 is an abundant number, since it is smaller than the sum of its proper divisors (113538628).

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

82199360 is a wasteful number, since it uses less digits than its factorization.

82199360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256890 (or 256880 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 82199360 is about 9066.3862701740. The cubic root of 82199360 is about 434.7999432393.

The spelling of 82199360 in words is "eighty-two million, one hundred ninety-nine thousand, three hundred sixty".