2797898688 has 168 divisors, whose sum is σ = 8665531056. Its totient is φ = 858009600.

The previous prime is 2797898683. The next prime is 2797898689. The reversal of 2797898688 is 8868987972.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797898683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3676228 + ... + 3676988.

It is an arithmetic number, because the mean of its divisors is an integer number (51580542).

Almost surely, 2^2797898688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2797898688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4332765528).

2797898688 is an abundant number, since it is smaller than the sum of its proper divisors (5867632368).

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

2797898688 is a wasteful number, since it uses less digits than its factorization.

2797898688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1270 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 72.

The square root of 2797898688 is about 52895.1669625874. The cubic root of 2797898688 is about 1409.1070730941.

The spelling of 2797898688 in words is "two billion, seven hundred ninety-seven million, eight hundred ninety-eight thousand, six hundred eighty-eight".