65879117973 has 24 divisors (see below), whose sum is σ = 97436525472. Its totient is φ = 42869479968.

The previous prime is 65879117957. The next prime is 65879117999. The reversal of 65879117973 is 37971197856.

It is not a de Polignac number, because 65879117973 - 2⁴ = 65879117957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65879117973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65879117923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533515 + ... + 645287.

It is an arithmetic number, because the mean of its divisors is an integer number (4059855228).

Almost surely, 2^65879117973 is an apocalyptic number.

It is an amenable number.

65879117973 is a deficient number, since it is larger than the sum of its proper divisors (31557407499).

65879117973 is a wasteful number, since it uses less digits than its factorization.

65879117973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113345 (or 113342 counting only the distinct ones).

The product of its digits is 20003760, while the sum is 63.

The spelling of 65879117973 in words is "sixty-five billion, eight hundred seventy-nine million, one hundred seventeen thousand, nine hundred seventy-three".