82742862418 has 16 divisors (see below), whose sum is σ = 124409220480. Its totient is φ = 41273161776.

The previous prime is 82742862403. The next prime is 82742862439. The reversal of 82742862418 is 81426824728.

It is a super-2 number, since 2×82742862418² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7140153 + ... + 7151731.

It is an arithmetic number, because the mean of its divisors is an integer number (7775576280).

Almost surely, 2^82742862418 is an apocalyptic number.

82742862418 is a deficient number, since it is larger than the sum of its proper divisors (41666358062).

82742862418 is a wasteful number, since it uses less digits than its factorization.

82742862418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19761.

The product of its digits is 2752512, while the sum is 52.

The spelling of 82742862418 in words is "eighty-two billion, seven hundred forty-two million, eight hundred sixty-two thousand, four hundred eighteen".