2597493678 has 32 divisors (see below), whose sum is σ = 5673411072. Its totient is φ = 787970400.

The previous prime is 2597493671. The next prime is 2597493683. The reversal of 2597493678 is 8763947952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597493671) 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, 228978 + ... + 240053.

It is an arithmetic number, because the mean of its divisors is an integer number (177294096).

Almost surely, 2^2597493678 is an apocalyptic number.

2597493678 is an abundant number, since it is smaller than the sum of its proper divisors (3075917394).

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

2597493678 is a wasteful number, since it uses less digits than its factorization.

2597493678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469120.

The product of its digits is 22861440, while the sum is 60.

The square root of 2597493678 is about 50965.6127011145. The cubic root of 2597493678 is about 1374.6268833121.

The spelling of 2597493678 in words is "two billion, five hundred ninety-seven million, four hundred ninety-three thousand, six hundred seventy-eight".