2780213774 has 16 divisors (see below), whose sum is σ = 4493778912. Its totient is φ = 1282414368.

The previous prime is 2780213771. The next prime is 2780213831. The reversal of 2780213774 is 4773120872.

2780213774 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 not an unprimeable number, because it can be changed into a prime (2780213771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14207 + ... + 75909.

It is an arithmetic number, because the mean of its divisors is an integer number (280861182).

Almost surely, 2^2780213774 is an apocalyptic number.

2780213774 is a deficient number, since it is larger than the sum of its proper divisors (1713565138).

2780213774 is a wasteful number, since it uses less digits than its factorization.

2780213774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63451.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 2780213774 is about 52727.7324943905. The cubic root of 2780213774 is about 1406.1319085321.

The spelling of 2780213774 in words is "two billion, seven hundred eighty million, two hundred thirteen thousand, seven hundred seventy-four".