2783478734 has 16 divisors (see below), whose sum is σ = 4208011776. Its totient is φ = 1380831000.

The previous prime is 2783478727. The next prime is 2783478769. The reversal of 2783478734 is 4378743872.

It is a happy number.

2783478734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262679 + ... + 273069.

It is an arithmetic number, because the mean of its divisors is an integer number (263000736).

Almost surely, 2^2783478734 is an apocalyptic number.

2783478734 is a deficient number, since it is larger than the sum of its proper divisors (1424533042).

2783478734 is a wasteful number, since it uses less digits than its factorization.

2783478734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431.

The product of its digits is 6322176, while the sum is 53.

The square root of 2783478734 is about 52758.6839676655. The cubic root of 2783478734 is about 1406.6821262299.

The spelling of 2783478734 in words is "two billion, seven hundred eighty-three million, four hundred seventy-eight thousand, seven hundred thirty-four".