82168792 has 8 divisors (see below), whose sum is σ = 154066500. Its totient is φ = 41084392.

The previous prime is 82168777. The next prime is 82168799. The reversal of 82168792 is 29786128.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82168799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5135542 + ... + 5135557.

Almost surely, 2^82168792 is an apocalyptic number.

It is an amenable number.

82168792 is a deficient number, since it is larger than the sum of its proper divisors (71897708).

82168792 is a wasteful number, since it uses less digits than its factorization.

82168792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271105 (or 10271101 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 82168792 is about 9064.7003259898. The cubic root of 82168792 is about 434.7460392813.

It can be divided in two parts, 82168 and 792, that multiplied together give a palindrome (65077056).

The spelling of 82168792 in words is "eighty-two million, one hundred sixty-eight thousand, seven hundred ninety-two".