82144792 has 32 divisors (see below), whose sum is σ = 162708480. Its totient is φ = 38818080.

The previous prime is 82144763. The next prime is 82144793. The reversal of 82144792 is 29744128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82144793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6813 + ... + 14515.

It is an arithmetic number, because the mean of its divisors is an integer number (5084640).

Almost surely, 2^82144792 is an apocalyptic number.

It is an amenable number.

82144792 is a deficient number, since it is larger than the sum of its proper divisors (80563688).

82144792 is a wasteful number, since it uses less digits than its factorization.

82144792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7783 (or 7779 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 82144792 is about 9063.3764127945. The cubic root of 82144792 is about 434.7037080397.

The spelling of 82144792 in words is "eighty-two million, one hundred forty-four thousand, seven hundred ninety-two".