7997797753 has 4 divisors (see below), whose sum is σ = 8724870288. Its totient is φ = 7270725220.

The previous prime is 7997797733. The next prime is 7997797783. The reversal of 7997797753 is 3577977997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7997797753 - 2²⁹ = 7460926841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7997797733) 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, 363536251 + ... + 363536272.

It is an arithmetic number, because the mean of its divisors is an integer number (2181217572).

Almost surely, 2^7997797753 is an apocalyptic number.

It is an amenable number.

7997797753 is a deficient number, since it is larger than the sum of its proper divisors (727072535).

7997797753 is a wasteful number, since it uses less digits than its factorization.

7997797753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727072534.

The product of its digits is 183784545, while the sum is 70.

The square root of 7997797753 is about 89430.4073176456. The cubic root of 7997797753 is about 1999.8164625742.

The spelling of 7997797753 in words is "seven billion, nine hundred ninety-seven million, seven hundred ninety-seven thousand, seven hundred fifty-three".