82177952 has 12 divisors (see below), whose sum is σ = 161787906. Its totient is φ = 41088960.

The previous prime is 82177951. The next prime is 82177957. The reversal of 82177952 is 25977128.

It can be written as a sum of positive squares in only one way, i.e., 49505296 + 32672656 = 7036^2 + 5716^2 .

It is not an unprimeable number, because it can be changed into a prime (82177951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283999 + ... + 1284062.

Almost surely, 2^82177952 is an apocalyptic number.

It is an amenable number.

82177952 is a deficient number, since it is larger than the sum of its proper divisors (79609954).

82177952 is a wasteful number, since it uses less digits than its factorization.

82177952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568071 (or 2568063 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The square root of 82177952 is about 9065.2055685461. The cubic root of 82177952 is about 434.7621935319.

The spelling of 82177952 in words is "eighty-two million, one hundred seventy-seven thousand, nine hundred fifty-two".