79800920327 has 4 divisors (see below), whose sum is σ = 79802067576. Its totient is φ = 79799773080.

The previous prime is 79800920291. The next prime is 79800920333. The reversal of 79800920327 is 72302900897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72302900897 = 1607 ⋅44992471.

It is a cyclic number.

It is not a de Polignac number, because 79800920327 - 2¹⁴ = 79800903943 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 (79800920377) 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, 462053 + ... + 610814.

It is an arithmetic number, because the mean of its divisors is an integer number (19950516894).

Almost surely, 2^79800920327 is an apocalyptic number.

79800920327 is a deficient number, since it is larger than the sum of its proper divisors (1147249).

79800920327 is a wasteful number, since it uses less digits than its factorization.

79800920327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147248.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 79800920327 in words is "seventy-nine billion, eight hundred million, nine hundred twenty thousand, three hundred twenty-seven".