80365990393 has 16 divisors (see below), whose sum is σ = 89475724800. Its totient is φ = 71681783040.

The previous prime is 80365990391. The next prime is 80365990409. The reversal of 80365990393 is 39309956308.

It is a cyclic number.

It is not a de Polignac number, because 80365990393 - 2¹ = 80365990391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80365990391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114273 + ... + 416881.

It is an arithmetic number, because the mean of its divisors is an integer number (5592232800).

Almost surely, 2^80365990393 is an apocalyptic number.

It is an amenable number.

80365990393 is a deficient number, since it is larger than the sum of its proper divisors (9109734407).

80365990393 is a wasteful number, since it uses less digits than its factorization.

80365990393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303312.

The product of its (nonzero) digits is 4723920, while the sum is 55.

The spelling of 80365990393 in words is "eighty billion, three hundred sixty-five million, nine hundred ninety thousand, three hundred ninety-three".