82681080 has 64 divisors (see below), whose sum is σ = 248689440. Its totient is φ = 21990912.

The previous prime is 82681073. The next prime is 82681091. The reversal of 82681080 is 8018628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66222 + ... + 67458.

Almost surely, 2^82681080 is an apocalyptic number.

It is an amenable number.

82681080 is an abundant number, since it is smaller than the sum of its proper divisors (166008360).

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

82681080 is a wasteful number, since it uses less digits than its factorization.

82681080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 82681080 is about 9092.9137244340. The cubic root of 82681080 is about 435.6476546221.

The spelling of 82681080 in words is "eighty-two million, six hundred eighty-one thousand, eighty".