82811316 has 48 divisors (see below), whose sum is σ = 230436864. Its totient is φ = 22631136.

The previous prime is 82811299. The next prime is 82811371. The reversal of 82811316 is 61311828.

82811316 is a modest number, since divided by 11316 gives 828 as remainder.

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, 19500 + ... + 23363.

It is an arithmetic number, because the mean of its divisors is an integer number (4800768).

Almost surely, 2^82811316 is an apocalyptic number.

It is an amenable number.

82811316 is an abundant number, since it is smaller than the sum of its proper divisors (147625548).

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

82811316 is a wasteful number, since it uses less digits than its factorization.

82811316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42900 (or 42898 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 82811316 is about 9100.0723074050. The cubic root of 82811316 is about 435.8762730034.

The spelling of 82811316 in words is "eighty-two million, eight hundred eleven thousand, three hundred sixteen".