82196774 has 16 divisors (see below), whose sum is σ = 141583680. Its totient is φ = 35395560.

The previous prime is 82196773. The next prime is 82196783. The reversal of 82196774 is 47769128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82196773) 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, 97904 + ... + 98739.

It is an arithmetic number, because the mean of its divisors is an integer number (8848980).

Almost surely, 2^82196774 is an apocalyptic number.

82196774 is a deficient number, since it is larger than the sum of its proper divisors (59386906).

82196774 is a wasteful number, since it uses less digits than its factorization.

82196774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196675.

The product of its digits is 169344, while the sum is 44.

The square root of 82196774 is about 9066.2436543477. The cubic root of 82196774 is about 434.7953835751.

The spelling of 82196774 in words is "eighty-two million, one hundred ninety-six thousand, seven hundred seventy-four".