83079128697 has 4 divisors (see below), whose sum is σ = 110772171600. Its totient is φ = 55386085796.

The previous prime is 83079128687. The next prime is 83079128801. The reversal of 83079128697 is 79682197038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83079128697 - 2⁴ = 83079128681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83079128697.

It is not an unprimeable number, because it can be changed into a prime (83079128687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13846521447 + ... + 13846521452.

It is an arithmetic number, because the mean of its divisors is an integer number (27693042900).

Almost surely, 2^83079128697 is an apocalyptic number.

It is an amenable number.

83079128697 is a deficient number, since it is larger than the sum of its proper divisors (27693042903).

83079128697 is a wasteful number, since it uses less digits than its factorization.

83079128697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27693042902.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 83079128697 in words is "eighty-three billion, seventy-nine million, one hundred twenty-eight thousand, six hundred ninety-seven".