2992992768 has 100 divisors (see below), whose sum is σ = 8933419110. Its totient is φ = 997650432.

The previous prime is 2992992757. The next prime is 2992992791. The reversal of 2992992768 is 8672992992.

It can be written as a sum of positive squares in only one way, i.e., 2947186944 + 45805824 = 54288^2 + 6768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5388 + ... + 77556.

Almost surely, 2^2992992768 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 2992992768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4466709555).

2992992768 is an abundant number, since it is smaller than the sum of its proper divisors (5940426342).

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

2992992768 is an frugal number, since it uses more digits than its factorization.

2992992768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72199 (or 72174 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The square root of 2992992768 is about 54708.2513703372. The cubic root of 2992992768 is about 1441.1257863020.

The spelling of 2992992768 in words is "two billion, nine hundred ninety-two million, nine hundred ninety-two thousand, seven hundred sixty-eight".