3472778782 has 32 divisors (see below), whose sum is σ = 6024628224. Its totient is φ = 1486317600.

The previous prime is 3472778753. The next prime is 3472778783. The reversal of 3472778782 is 2878772743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3472778783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43578 + ... + 94045.

It is an arithmetic number, because the mean of its divisors is an integer number (188269632).

Almost surely, 2^3472778782 is an apocalyptic number.

3472778782 is a deficient number, since it is larger than the sum of its proper divisors (2551849442).

3472778782 is a wasteful number, since it uses less digits than its factorization.

3472778782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137704.

The product of its digits is 7375872, while the sum is 55.

The square root of 3472778782 is about 58930.2874759660. The cubic root of 3472778782 is about 1514.3480632697.

The spelling of 3472778782 in words is "three billion, four hundred seventy-two million, seven hundred seventy-eight thousand, seven hundred eighty-two".