82126908939 has 8 divisors (see below), whose sum is σ = 110338443072. Its totient is φ = 54333323720.

The previous prime is 82126908911. The next prime is 82126908953. The reversal of 82126908939 is 93980962128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82126908939 - 2⁸ = 82126908683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82126908959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104486769 + ... + 104487554.

It is an arithmetic number, because the mean of its divisors is an integer number (13792305384).

Almost surely, 2^82126908939 is an apocalyptic number.

82126908939 is a deficient number, since it is larger than the sum of its proper divisors (28211534133).

82126908939 is a wasteful number, since it uses less digits than its factorization.

82126908939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208974457.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 82126908939 in words is "eighty-two billion, one hundred twenty-six million, nine hundred eight thousand, nine hundred thirty-nine".