82707418679 has 4 divisors (see below), whose sum is σ = 82707995784. Its totient is φ = 82706841576.

The previous prime is 82707418639. The next prime is 82707418681. The reversal of 82707418679 is 97681470728.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82707418679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82707418639) 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, 108944 + ... + 421050.

It is an arithmetic number, because the mean of its divisors is an integer number (20676998946).

Almost surely, 2^82707418679 is an apocalyptic number.

82707418679 is a deficient number, since it is larger than the sum of its proper divisors (577105).

82707418679 is a wasteful number, since it uses less digits than its factorization.

82707418679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577104.

The product of its (nonzero) digits is 9483264, while the sum is 59.

The spelling of 82707418679 in words is "eighty-two billion, seven hundred seven million, four hundred eighteen thousand, six hundred seventy-nine".