82440795387 has 16 divisors (see below), whose sum is σ = 112611516192. Its totient is φ = 53615527680.

The previous prime is 82440795383. The next prime is 82440795431. The reversal of 82440795387 is 78359704428.

It is not a de Polignac number, because 82440795387 - 2² = 82440795383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82440795383) 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, 2085813 + ... + 2124969.

It is an arithmetic number, because the mean of its divisors is an integer number (7038219762).

Almost surely, 2^82440795387 is an apocalyptic number.

82440795387 is a deficient number, since it is larger than the sum of its proper divisors (30170720805).

82440795387 is a wasteful number, since it uses less digits than its factorization.

82440795387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56318.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 82440795387 in words is "eighty-two billion, four hundred forty million, seven hundred ninety-five thousand, three hundred eighty-seven".