82625280 has 72 divisors (see below), whose sum is σ = 263896752. Its totient is φ = 22032384.

The previous prime is 82625273. The next prime is 82625297. The reversal of 82625280 is 8252628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6919 + ... + 14598.

Almost surely, 2^82625280 is an apocalyptic number.

82625280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82625280 is an abundant number, since it is smaller than the sum of its proper divisors (181271472).

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

82625280 is a wasteful number, since it uses less digits than its factorization.

82625280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21541 (or 21527 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 82625280 is about 9089.8448831649. The cubic root of 82625280 is about 435.5496289320.

It can be divided in two parts, 826 and 25280, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 82625280 in words is "eighty-two million, six hundred twenty-five thousand, two hundred eighty".