2697798688 has 96 divisors (see below), whose sum is σ = 5957712432. Its totient is φ = 1194393600.

The previous prime is 2697798683. The next prime is 2697798707. The reversal of 2697798688 is 8868977962.

It can be written as a sum of positive squares in 8 ways, for example, as 9168784 + 2688629904 = 3028^2 + 51852^2 .

It is not an unprimeable number, because it can be changed into a prime (2697798683) 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, 1039120 + ... + 1041712.

Almost surely, 2^2697798688 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 2697798688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2978856216).

2697798688 is an abundant number, since it is smaller than the sum of its proper divisors (3259913744).

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

2697798688 is a wasteful number, since it uses less digits than its factorization.

2697798688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2710 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 70.

The square root of 2697798688 is about 51940.3377732567. The cubic root of 2697798688 is about 1392.0981181113.

The spelling of 2697798688 in words is "two billion, six hundred ninety-seven million, seven hundred ninety-eight thousand, six hundred eighty-eight".