82679478 has 32 divisors (see below), whose sum is σ = 189265920. Its totient is φ = 23587200.

The previous prime is 82679477. The next prime is 82679479. The reversal of 82679478 is 87497628.

It is an interprime number because it is at equal distance from previous prime (82679477) and next prime (82679479).

It is a self number, because there is not a number n which added to its sum of digits gives 82679478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82679477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41403 + ... + 43353.

It is an arithmetic number, because the mean of its divisors is an integer number (5914560).

Almost surely, 2^82679478 is an apocalyptic number.

82679478 is an abundant number, since it is smaller than the sum of its proper divisors (106586442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82679478 is a wasteful number, since it uses less digits than its factorization.

82679478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972.

The product of its digits is 1354752, while the sum is 51.

The square root of 82679478 is about 9092.8256334321. The cubic root of 82679478 is about 435.6448409512.

The spelling of 82679478 in words is "eighty-two million, six hundred seventy-nine thousand, four hundred seventy-eight".