79220297386 has 8 divisors (see below), whose sum is σ = 118862052804. Its totient is φ = 39599613120.

The previous prime is 79220297341. The next prime is 79220297393. The reversal of 79220297386 is 68379202297.

It can be written as a sum of positive squares in 2 ways, for example, as 73232478225 + 5987819161 = 270615^2 + 77381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5258385 + ... + 5273428.

Almost surely, 2^79220297386 is an apocalyptic number.

79220297386 is a deficient number, since it is larger than the sum of its proper divisors (39641755418).

79220297386 is a wasteful number, since it uses less digits than its factorization.

79220297386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535576.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 79220297386 in words is "seventy-nine billion, two hundred twenty million, two hundred ninety-seven thousand, three hundred eighty-six".