2054779507 has 8 divisors (see below), whose sum is σ = 2250302832. Its totient is φ = 1860710400.

The previous prime is 2054779471. The next prime is 2054779619. The reversal of 2054779507 is 7059774502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2054779507 - 2¹⁹ = 2054255219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054779007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360594 + ... + 366247.

It is an arithmetic number, because the mean of its divisors is an integer number (281287854).

Almost surely, 2^2054779507 is an apocalyptic number.

2054779507 is a deficient number, since it is larger than the sum of its proper divisors (195523325).

2054779507 is a wasteful number, since it uses less digits than its factorization.

2054779507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727109.

The product of its (nonzero) digits is 617400, while the sum is 46.

The square root of 2054779507 is about 45329.6757875015. The cubic root of 2054779507 is about 1271.3205737864.

The spelling of 2054779507 in words is "two billion, fifty-four million, seven hundred seventy-nine thousand, five hundred seven".