7738772443 has 2 divisors, whose sum is σ = 7738772444. Its totient is φ = 7738772442.

The previous prime is 7738772429. The next prime is 7738772471. The reversal of 7738772443 is 3442778377.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7738772443 - 2¹³ = 7738764251 is a prime.

It is not a weakly prime, because it can be changed into another prime (7738772243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3869386221 + 3869386222.

It is an arithmetic number, because the mean of its divisors is an integer number (3869386222).

Almost surely, 2^7738772443 is an apocalyptic number.

7738772443 is a deficient number, since it is larger than the sum of its proper divisors (1).

7738772443 is an equidigital number, since it uses as much as digits as its factorization.

7738772443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5531904, while the sum is 52.

The square root of 7738772443 is about 87970.2929573387. The cubic root of 7738772443 is about 1977.9896988180.

The spelling of 7738772443 in words is "seven billion, seven hundred thirty-eight million, seven hundred seventy-two thousand, four hundred forty-three".