82569480 has 64 divisors (see below), whose sum is σ = 283098240. Its totient is φ = 18872832.

The previous prime is 82569469. The next prime is 82569499. The reversal of 82569480 is 8496528.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48309 + ... + 49988.

It is an arithmetic number, because the mean of its divisors is an integer number (4423410).

Almost surely, 2^82569480 is an apocalyptic number.

It is an amenable number.

82569480 is an abundant number, since it is smaller than the sum of its proper divisors (200528760).

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

82569480 is a wasteful number, since it uses less digits than its factorization.

82569480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98318 (or 98314 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 82569480 is about 9086.7750054681. The cubic root of 82569480 is about 435.4515590982.

The spelling of 82569480 in words is "eighty-two million, five hundred sixty-nine thousand, four hundred eighty".