2597791716 has 48 divisors (see below), whose sum is σ = 7253097600. Its totient is φ = 799320096.

The previous prime is 2597791639. The next prime is 2597791717. The reversal of 2597791716 is 6171977952.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2597791717) 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, 923736 + ... + 926543.

It is an arithmetic number, because the mean of its divisors is an integer number (151106200).

Almost surely, 2^2597791716 is an apocalyptic number.

2597791716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2597791716 is an abundant number, since it is smaller than the sum of its proper divisors (4655305884).

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

2597791716 is a wasteful number, since it uses less digits than its factorization.

2597791716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850305 (or 1850297 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 54.

The square root of 2597791716 is about 50968.5365299024. The cubic root of 2597791716 is about 1374.6794564755.

The spelling of 2597791716 in words is "two billion, five hundred ninety-seven million, seven hundred ninety-one thousand, seven hundred sixteen".