2772137983 has 4 divisors (see below), whose sum is σ = 2799052048. Its totient is φ = 2745223920.

The previous prime is 2772137971. The next prime is 2772137993. The reversal of 2772137983 is 3897312772.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2772137983 - 2¹³ = 2772129791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772137923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13456878 + ... + 13457083.

It is an arithmetic number, because the mean of its divisors is an integer number (699763012).

Almost surely, 2^2772137983 is an apocalyptic number.

2772137983 is a deficient number, since it is larger than the sum of its proper divisors (26914065).

2772137983 is a wasteful number, since it uses less digits than its factorization.

2772137983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26914064.

The product of its digits is 889056, while the sum is 49.

The square root of 2772137983 is about 52651.0966932314. The cubic root of 2772137983 is about 1404.7691068255.

The spelling of 2772137983 in words is "two billion, seven hundred seventy-two million, one hundred thirty-seven thousand, nine hundred eighty-three".