82476638691879 has 8 divisors (see below), whose sum is σ = 110004222734320. Its totient is φ = 54966740222016.

The previous prime is 82476638691859. The next prime is 82476638691899. The reversal of 82476638691879 is 97819683667428.

It is an interprime number because it is at equal distance from previous prime (82476638691859) and next prime (82476638691899).

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

It is not a de Polignac number, because 82476638691879 - 2⁹ = 82476638691367 is a prime.

It is a super-3 number, since 3×82476638691879³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82476638691829) 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, 4421382262 + ... + 4421400915.

It is an arithmetic number, because the mean of its divisors is an integer number (13750527841790).

Almost surely, 2^{82476638691879} is an apocalyptic number.

82476638691879 is a deficient number, since it is larger than the sum of its proper divisors (27527584042441).

82476638691879 is a wasteful number, since it uses less digits than its factorization.

82476638691879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8842786289.

The product of its digits is 10534551552, while the sum is 84.

The spelling of 82476638691879 in words is "eighty-two trillion, four hundred seventy-six billion, six hundred thirty-eight million, six hundred ninety-one thousand, eight hundred seventy-nine".