76320518093 has 4 divisors (see below), whose sum is σ = 76321474428. Its totient is φ = 76319561760.

The previous prime is 76320518089. The next prime is 76320518123. The reversal of 76320518093 is 39081502367.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31451958409 + 44868559684 = 177347^2 + 211822^2 .

It is a cyclic number.

It is not a de Polignac number, because 76320518093 - 2² = 76320518089 is a prime.

It is a super-3 number, since 3×76320518093³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76320518083) 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, 346346 + ... + 522107.

It is an arithmetic number, because the mean of its divisors is an integer number (19080368607).

Almost surely, 2^76320518093 is an apocalyptic number.

It is an amenable number.

76320518093 is a deficient number, since it is larger than the sum of its proper divisors (956335).

76320518093 is an equidigital number, since it uses as much as digits as its factorization.

76320518093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956334.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 76320518093 in words is "seventy-six billion, three hundred twenty million, five hundred eighteen thousand, ninety-three".