79988446027876 has 27 divisors (see below), whose sum is σ = 140234828525323. Its totient is φ = 39921484503680.

The previous prime is 79988446027859. The next prime is 79988446027883. The reversal of 79988446027876 is 67872064488997.

The square root of 79988446027876 is 8943626.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 8193734500900 + 71794711526976 = 2862470^2 + 8473176^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79988446027793 and 79988446027802.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10607136666 + ... + 10607144206.

Almost surely, 2^{79988446027876} is an apocalyptic number.

79988446027876 is the 8943626-th square number.

It is an amenable number.

79988446027876 is a deficient number, since it is larger than the sum of its proper divisors (60246382497447).

79988446027876 is an frugal number, since it uses more digits than its factorization.

79988446027876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16272 (or 8136 counting only the distinct ones).

The product of its (nonzero) digits is 16387080192, while the sum is 85.

The spelling of 79988446027876 in words is "seventy-nine trillion, nine hundred eighty-eight billion, four hundred forty-six million, twenty-seven thousand, eight hundred seventy-six".