2979994776 has 72 divisors (see below), whose sum is σ = 8196920340. Its totient is φ = 902137280.

The previous prime is 2979994727. The next prime is 2979994781. The reversal of 2979994776 is 6774999792.

2979994776 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

Its product of digits (108020304) is a multiple of the sum of its prime divisors (1029).

It is a self number, because there is not a number n which added to its sum of digits gives 2979994776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2941246 + ... + 2942258.

Almost surely, 2^2979994776 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 2979994776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4098460170).

2979994776 is an abundant number, since it is smaller than the sum of its proper divisors (5216925564).

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

2979994776 is a wasteful number, since it uses less digits than its factorization.

2979994776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 1029 counting only the distinct ones).

The product of its digits is 108020304, while the sum is 69.

The square root of 2979994776 is about 54589.3284076659. The cubic root of 2979994776 is about 1439.0365816581.

The spelling of 2979994776 in words is "two billion, nine hundred seventy-nine million, nine hundred ninety-four thousand, seven hundred seventy-six".