82979107 has 4 divisors (see below), whose sum is σ = 83022856. Its totient is φ = 82935360.

The previous prime is 82979069. The next prime is 82979131. The reversal of 82979107 is 70197928.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82979107 - 2⁷ = 82978979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82974107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18894 + ... + 22867.

It is an arithmetic number, because the mean of its divisors is an integer number (20755714).

Almost surely, 2^82979107 is an apocalyptic number.

82979107 is a deficient number, since it is larger than the sum of its proper divisors (43749).

82979107 is a wasteful number, since it uses less digits than its factorization.

82979107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43748.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 82979107 is about 9109.2868546336. The cubic root of 82979107 is about 436.1704629725.

The spelling of 82979107 in words is "eighty-two million, nine hundred seventy-nine thousand, one hundred seven".