82724242665 has 16 divisors (see below), whose sum is σ = 132781667328. Its totient is φ = 43978636416.

The previous prime is 82724242609. The next prime is 82724242681. The reversal of 82724242665 is 56624242728.

It is not a de Polignac number, because 82724242665 - 2⁷ = 82724242537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8805129 + ... + 8814518.

It is an arithmetic number, because the mean of its divisors is an integer number (8298854208).

Almost surely, 2^82724242665 is an apocalyptic number.

It is an amenable number.

82724242665 is a deficient number, since it is larger than the sum of its proper divisors (50057424663).

82724242665 is a wasteful number, since it uses less digits than its factorization.

82724242665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17619968.

The product of its digits is 2580480, while the sum is 48.

The spelling of 82724242665 in words is "eighty-two billion, seven hundred twenty-four million, two hundred forty-two thousand, six hundred sixty-five".