82373784679 has 4 divisors (see below), whose sum is σ = 82427590120. Its totient is φ = 82319979240.

The previous prime is 82373784667. The next prime is 82373784761. The reversal of 82373784679 is 97648737328.

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 82373784679 - 2²⁷ = 82239566951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82373784679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82373734679) 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, 26900424 + ... + 26903485.

It is an arithmetic number, because the mean of its divisors is an integer number (20606897530).

Almost surely, 2^82373784679 is an apocalyptic number.

82373784679 is a deficient number, since it is larger than the sum of its proper divisors (53805441).

82373784679 is a wasteful number, since it uses less digits than its factorization.

82373784679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53805440.

The product of its digits is 85349376, while the sum is 64.

The spelling of 82373784679 in words is "eighty-two billion, three hundred seventy-three million, seven hundred eighty-four thousand, six hundred seventy-nine".