7793888089 has 9 divisors (see below), whose sum is σ = 8440778559. Its totient is φ = 7193298840.

The previous prime is 7793888057. The next prime is 7793888101. The reversal of 7793888089 is 9808883977.

The square root of 7793888089 is 88283.

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

It can be written as a sum of positive squares in only one way, i.e., 1152942025 + 6640946064 = 33955^2 + 81492^2 .

It is not a de Polignac number, because 7793888089 - 2⁵ = 7793888057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7793883089) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1144284 + ... + 1151074.

Almost surely, 2^7793888089 is an apocalyptic number.

7793888089 is the 88283-rd square number.

7793888089 is the 44142-nd centered octagonal number.

It is an amenable number.

7793888089 is a deficient number, since it is larger than the sum of its proper divisors (646890470).

7793888089 is an frugal number, since it uses more digits than its factorization.

7793888089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13608 (or 6804 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 67.

The cubic root of 7793888089 is about 1982.6743517717.

The spelling of 7793888089 in words is "seven billion, seven hundred ninety-three million, eight hundred eighty-eight thousand, eighty-nine".