82115520734 has 8 divisors (see below), whose sum is σ = 132648148920. Its totient is φ = 37899471096.

The previous prime is 82115520701. The next prime is 82115520737. The reversal of 82115520734 is 43702551128.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82115520737) 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, 1579144604 + ... + 1579144655.

It is an arithmetic number, because the mean of its divisors is an integer number (16581018615).

Almost surely, 2^82115520734 is an apocalyptic number.

82115520734 is a deficient number, since it is larger than the sum of its proper divisors (50532628186).

82115520734 is a wasteful number, since it uses less digits than its factorization.

82115520734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158289274.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 82115520734 in words is "eighty-two billion, one hundred fifteen million, five hundred twenty thousand, seven hundred thirty-four".