7739896792489 has 27 divisors (see below), whose sum is σ = 8452098560997. Its totient is φ = 7086124957824.

The previous prime is 7739896792429. The next prime is 7739896792513. The reversal of 7739896792489 is 9842976989377.

The square root of 7739896792489 is 2782067.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3600381016089 + 4139515776400 = 1897467^2 + 2034580^2 .

It is not a de Polignac number, because 7739896792489 - 2¹¹ = 7739896790441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7739896792429) 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 26 ways as a sum of consecutive naturals, for example, 1749917932 + ... + 1749922354.

Almost surely, 2^{7739896792489} is an apocalyptic number.

7739896792489 is the 2782067-th square number.

7739896792489 is the 1391034-th centered octagonal number.

It is an amenable number.

7739896792489 is a deficient number, since it is larger than the sum of its proper divisors (712201768508).

7739896792489 is an frugal number, since it uses more digits than its factorization.

7739896792489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954 (or 4477 counting only the distinct ones).

The product of its digits is 20739898368, while the sum is 88.

The spelling of 7739896792489 in words is "seven trillion, seven hundred thirty-nine billion, eight hundred ninety-six million, seven hundred ninety-two thousand, four hundred eighty-nine".