82929874 has 4 divisors (see below), whose sum is σ = 124394814. Its totient is φ = 41464936.

The previous prime is 82929871. The next prime is 82929883. The reversal of 82929874 is 47892928.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73839649 + 9090225 = 8593^2 + 3015^2 .

It is not an unprimeable number, because it can be changed into a prime (82929871) 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 as a sum of consecutive naturals, namely, 20732467 + ... + 20732470.

Almost surely, 2^82929874 is an apocalyptic number.

82929874 is a deficient number, since it is larger than the sum of its proper divisors (41464940).

82929874 is a wasteful number, since it uses less digits than its factorization.

82929874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41464939.

The product of its digits is 580608, while the sum is 49.

The square root of 82929874 is about 9106.5841016267. The cubic root of 82929874 is about 436.0841833071.

It can be divided in two parts, 829 and 29874, that added together give a palindrome (30703).

The spelling of 82929874 in words is "eighty-two million, nine hundred twenty-nine thousand, eight hundred seventy-four".