7997393629 has 4 divisors (see below), whose sum is σ = 8079841084. Its totient is φ = 7914946176.

The previous prime is 7997393627. The next prime is 7997393669. The reversal of 7997393629 is 9263937997.

7997393629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4973493529 + 3023900100 = 70523^2 + 54990^2 .

It is a cyclic number.

It is not a de Polignac number, because 7997393629 - 2¹ = 7997393627 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7997393627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41223582 + ... + 41223775.

It is an arithmetic number, because the mean of its divisors is an integer number (2019960271).

Almost surely, 2^7997393629 is an apocalyptic number.

It is an amenable number.

7997393629 is a deficient number, since it is larger than the sum of its proper divisors (82447455).

7997393629 is an equidigital number, since it uses as much as digits as its factorization.

7997393629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82447454.

The product of its digits is 34720812, while the sum is 64.

The square root of 7997393629 is about 89428.1478562538. The cubic root of 7997393629 is about 1999.7827788250.

The spelling of 7997393629 in words is "seven billion, nine hundred ninety-seven million, three hundred ninety-three thousand, six hundred twenty-nine".