2797659648 has 400 divisors, whose sum is σ = 9981861120. Its totient is φ = 762753024.

The previous prime is 2797659619. The next prime is 2797659649. The reversal of 2797659648 is 8469567972.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797659649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6676783 + ... + 6677201.

Almost surely, 2^2797659648 is an apocalyptic number.

2797659648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2797659648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4990930560).

2797659648 is an abundant number, since it is smaller than the sum of its proper divisors (7184201472).

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

2797659648 is an equidigital number, since it uses as much as digits as its factorization.

2797659648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 454 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The square root of 2797659648 is about 52892.9073506080. The cubic root of 2797659648 is about 1409.0669426741.

The spelling of 2797659648 in words is "two billion, seven hundred ninety-seven million, six hundred fifty-nine thousand, six hundred forty-eight".