7799892489 has 21 divisors (see below), whose sum is σ = 11698065309. Its totient is φ = 5198338620.

The previous prime is 7799892431. The next prime is 7799892493. The reversal of 7799892489 is 9842989977.

The square root of 7799892489 is 88317.

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

It is not a de Polignac number, because 7799892489 - 2¹³ = 7799884297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7799892409) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2382924 + ... + 2386194.

It is an arithmetic number, because the mean of its divisors is an integer number (557050729).

Almost surely, 2^7799892489 is an apocalyptic number.

7799892489 is the 88317-th square number.

7799892489 is the 44159-th centered octagonal number.

It is an amenable number.

7799892489 is a deficient number, since it is larger than the sum of its proper divisors (3898172820).

7799892489 is an frugal number, since it uses more digits than its factorization.

7799892489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560 (or 3274 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 72.

The cubic root of 7799892489 is about 1983.1833708865.

The spelling of 7799892489 in words is "seven billion, seven hundred ninety-nine million, eight hundred ninety-two thousand, four hundred eighty-nine".