82308774 has 16 divisors (see below), whose sum is σ = 164708208. Its totient is φ = 27421152.

The previous prime is 82308773. The next prime is 82308799. The reversal of 82308774 is 47780328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82308773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15964 + ... + 20480.

It is an arithmetic number, because the mean of its divisors is an integer number (10294263).

Almost surely, 2^82308774 is an apocalyptic number.

82308774 is an abundant number, since it is smaller than the sum of its proper divisors (82399434).

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

82308774 is a wasteful number, since it uses less digits than its factorization.

82308774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 82308774 is about 9072.4183104617. The cubic root of 82308774 is about 434.9927756760.

The spelling of 82308774 in words is "eighty-two million, three hundred eight thousand, seven hundred seventy-four".