2789942616 has 80 divisors (see below), whose sum is σ = 7921603800. Its totient is φ = 917225856.

The previous prime is 2789942611. The next prime is 2789942629. The reversal of 2789942616 is 6162499872.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789942611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17815 + ... + 76793.

Almost surely, 2^2789942616 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 2789942616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3960801900).

2789942616 is an abundant number, since it is smaller than the sum of its proper divisors (5131661184).

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

2789942616 is a wasteful number, since it uses less digits than its factorization.

2789942616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59070 (or 59057 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 2789942616 is about 52819.9073834856. The cubic root of 2789942616 is about 1407.7701649535.

The spelling of 2789942616 in words is "two billion, seven hundred eighty-nine million, nine hundred forty-two thousand, six hundred sixteen".