3872779237 has 2 divisors, whose sum is σ = 3872779238. Its totient is φ = 3872779236.

The previous prime is 3872779213. The next prime is 3872779289. The reversal of 3872779237 is 7329772783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2765287396 + 1107491841 = 52586^2 + 33279^2 .

It is a cyclic number.

It is not a de Polignac number, because 3872779237 - 2¹⁵ = 3872746469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3872771237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936389618 + 1936389619.

It is an arithmetic number, because the mean of its divisors is an integer number (1936389619).

Almost surely, 2^3872779237 is an apocalyptic number.

It is an amenable number.

3872779237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3872779237 is an equidigital number, since it uses as much as digits as its factorization.

3872779237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6223392, while the sum is 55.

The square root of 3872779237 is about 62231.6578358636. The cubic root of 3872779237 is about 1570.3902145809.

The spelling of 3872779237 in words is "three billion, eight hundred seventy-two million, seven hundred seventy-nine thousand, two hundred thirty-seven".