779061271 has 4 divisors (see below), whose sum is σ = 783840952. Its totient is φ = 774281592.

The previous prime is 779061209. The next prime is 779061277. The reversal of 779061271 is 172160977.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172160977 = 89 ⋅1934393.

It is a cyclic number.

It is not a de Polignac number, because 779061271 - 2¹⁷ = 778930199 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 (779061277) 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, 2389596 + ... + 2389921.

It is an arithmetic number, because the mean of its divisors is an integer number (195960238).

Almost surely, 2^779061271 is an apocalyptic number.

779061271 is a deficient number, since it is larger than the sum of its proper divisors (4779681).

779061271 is a wasteful number, since it uses less digits than its factorization.

779061271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779680.

The product of its (nonzero) digits is 37044, while the sum is 40.

The square root of 779061271 is about 27911.6690830197. The cubic root of 779061271 is about 920.1469799040.

The spelling of 779061271 in words is "seven hundred seventy-nine million, sixty-one thousand, two hundred seventy-one".