82684874 has 16 divisors (see below), whose sum is σ = 129048576. Its totient is φ = 39690000.

The previous prime is 82684871. The next prime is 82684879. The reversal of 82684874 is 47848628.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82684871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2624 + ... + 13124.

It is an arithmetic number, because the mean of its divisors is an integer number (8065536).

Almost surely, 2^82684874 is an apocalyptic number.

82684874 is a deficient number, since it is larger than the sum of its proper divisors (46363702).

82684874 is a wasteful number, since it uses less digits than its factorization.

82684874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661.

The product of its digits is 688128, while the sum is 47.

The square root of 82684874 is about 9093.1223460371. The cubic root of 82684874 is about 435.6543180648.

The spelling of 82684874 in words is "eighty-two million, six hundred eighty-four thousand, eight hundred seventy-four".