7976228369 has 4 divisors (see below), whose sum is σ = 8161722096. Its totient is φ = 7790734644.

The previous prime is 7976228347. The next prime is 7976228387. The reversal of 7976228369 is 9638226797.

7976228369 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7976228369 is a prime.

It is a super-2 number, since 2×7976228369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7976228399) 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, 92746799 + ... + 92746884.

It is an arithmetic number, because the mean of its divisors is an integer number (2040430524).

Almost surely, 2^7976228369 is an apocalyptic number.

It is an amenable number.

7976228369 is a deficient number, since it is larger than the sum of its proper divisors (185493727).

7976228369 is a wasteful number, since it uses less digits than its factorization.

7976228369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185493726.

The product of its digits is 13716864, while the sum is 59.

The square root of 7976228369 is about 89309.7327786843. The cubic root of 7976228369 is about 1998.0170653849.

The spelling of 7976228369 in words is "seven billion, nine hundred seventy-six million, two hundred twenty-eight thousand, three hundred sixty-nine".