82107992 has 16 divisors (see below), whose sum is σ = 154062000. Its totient is φ = 41024800.

The previous prime is 82107983. The next prime is 82108001. The reversal of 82107992 is 29970128.

It is an interprime number because it is at equal distance from previous prime (82107983) and next prime (82108001).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12509 + ... + 17907.

It is an arithmetic number, because the mean of its divisors is an integer number (9628875).

Almost surely, 2^82107992 is an apocalyptic number.

It is an amenable number.

82107992 is a deficient number, since it is larger than the sum of its proper divisors (71954008).

82107992 is a wasteful number, since it uses less digits than its factorization.

82107992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306 (or 7302 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 82107992 is about 9061.3460368755. The cubic root of 82107992 is about 434.6387841190.

The spelling of 82107992 in words is "eighty-two million, one hundred seven thousand, nine hundred ninety-two".