2797956918 has 48 divisors (see below), whose sum is σ = 6296209920. Its totient is φ = 931251816.

The previous prime is 2797956907. The next prime is 2797956943. The reversal of 2797956918 is 8196597972.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349363 + ... + 357281.

It is an arithmetic number, because the mean of its divisors is an integer number (131171040).

Almost surely, 2^2797956918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2797956918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3148104960).

2797956918 is an abundant number, since it is smaller than the sum of its proper divisors (3498253002).

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

2797956918 is an equidigital number, since it uses as much as digits as its factorization.

2797956918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663 (or 8651 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 63.

The square root of 2797956918 is about 52895.7173880835. The cubic root of 2797956918 is about 1409.1168484940.

The spelling of 2797956918 in words is "two billion, seven hundred ninety-seven million, nine hundred fifty-six thousand, nine hundred eighteen".