779117359093 has 4 divisors (see below), whose sum is σ = 797236367488. Its totient is φ = 760998350700.

The previous prime is 779117359091. The next prime is 779117359117. The reversal of 779117359093 is 390953711977.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390953711977 = 308537 ⋅1267121.

It is a cyclic number.

It is not a de Polignac number, because 779117359093 - 2¹ = 779117359091 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 (779117359091) 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, 9059504133 + ... + 9059504218.

It is an arithmetic number, because the mean of its divisors is an integer number (199309091872).

Almost surely, 2^779117359093 is an apocalyptic number.

It is an amenable number.

779117359093 is a deficient number, since it is larger than the sum of its proper divisors (18119008395).

779117359093 is a wasteful number, since it uses less digits than its factorization.

779117359093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18119008394.

The product of its (nonzero) digits is 11252115, while the sum is 61.

The spelling of 779117359093 in words is "seven hundred seventy-nine billion, one hundred seventeen million, three hundred fifty-nine thousand, ninety-three".