79277663776373 has 8 divisors (see below), whose sum is σ = 80006291960760. Its totient is φ = 78549059413440.

The previous prime is 79277663776369. The next prime is 79277663776379. The reversal of 79277663776373 is 37367736677297.

It can be written as a sum of positive squares in 4 ways, for example, as 1321354848004 + 77956308928369 = 1149502^2 + 8829287^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 79277663776373 - 2² = 79277663776369 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 (79277663776379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765911 + ... + 12615147.

It is an arithmetic number, because the mean of its divisors is an integer number (10000786495095).

Almost surely, 2^{79277663776373} is an apocalyptic number.

It is an amenable number.

79277663776373 is a deficient number, since it is larger than the sum of its proper divisors (728628184387).

79277663776373 is a wasteful number, since it uses less digits than its factorization.

79277663776373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910727.

The product of its digits is 12350321424, while the sum is 80.

The spelling of 79277663776373 in words is "seventy-nine trillion, two hundred seventy-seven billion, six hundred sixty-three million, seven hundred seventy-six thousand, three hundred seventy-three".