7741728623 has 2 divisors, whose sum is σ = 7741728624. Its totient is φ = 7741728622.

The previous prime is 7741728607. The next prime is 7741728661. The reversal of 7741728623 is 3268271477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7741728623 - 2⁴ = 7741728607 is a prime.

It is a super-2 number, since 2×7741728623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7741728223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3870864311 + 3870864312.

It is an arithmetic number, because the mean of its divisors is an integer number (3870864312).

Almost surely, 2^7741728623 is an apocalyptic number.

7741728623 is a deficient number, since it is larger than the sum of its proper divisors (1).

7741728623 is an equidigital number, since it uses as much as digits as its factorization.

7741728623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 47.

The square root of 7741728623 is about 87987.0935023995. The cubic root of 7741728623 is about 1978.2415281290.

The spelling of 7741728623 in words is "seven billion, seven hundred forty-one million, seven hundred twenty-eight thousand, six hundred twenty-three".