79273313515315 has 4 divisors (see below), whose sum is σ = 95127976218384. Its totient is φ = 63418650812248.

The previous prime is 79273313515301. The next prime is 79273313515343. The reversal of 79273313515315 is 51351531337297.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79273313515315 - 2¹⁹ = 79273312991027 is a prime.

It is a Duffinian number.

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, 7927331351527 + ... + 7927331351536.

It is an arithmetic number, because the mean of its divisors is an integer number (23781994054596).

Almost surely, 2^{79273313515315} is an apocalyptic number.

79273313515315 is a deficient number, since it is larger than the sum of its proper divisors (15854662703069).

79273313515315 is a wasteful number, since it uses less digits than its factorization.

79273313515315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15854662703068.

The product of its digits is 8930250, while the sum is 55.

The spelling of 79273313515315 in words is "seventy-nine trillion, two hundred seventy-three billion, three hundred thirteen million, five hundred fifteen thousand, three hundred fifteen".