2780031076 has 27 divisors (see below), whose sum is σ = 4994375673. Its totient is φ = 1354003680.

The previous prime is 2780031073. The next prime is 2780031077. The reversal of 2780031076 is 6701300872.

The square root of 2780031076 is 52726.

It is a perfect power (a square), and thus also a powerful number.

2780031076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133957476 + 2646073600 = 11574^2 + 51440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2780031073) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4323211 + ... + 4323853.

Almost surely, 2^2780031076 is an apocalyptic number.

2780031076 is the 52726-th square number.

It is an amenable number.

2780031076 is a deficient number, since it is larger than the sum of its proper divisors (2214344597).

2780031076 is an frugal number, since it uses more digits than its factorization.

2780031076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The cubic root of 2780031076 is about 1406.1011071699.

The spelling of 2780031076 in words is "two billion, seven hundred eighty million, thirty-one thousand, seventy-six".