5091779 has 16 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 3917760.

The previous prime is 5091769. The next prime is 5091797. The reversal of 5091779 is 9771905.

It is not a de Polignac number, because 5091779 - 2¹⁶ = 5026243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5091769) 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, 6482 + ... + 7224.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^5091779 is an apocalyptic number.

5091779 is a deficient number, since it is larger than the sum of its proper divisors (1336381).

5091779 is a wasteful number, since it uses less digits than its factorization.

5091779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 19845, while the sum is 38.

The square root of 5091779 is about 2256.4970640353. The cubic root of 5091779 is about 172.0375233619.

The spelling of 5091779 in words is "five million, ninety-one thousand, seven hundred seventy-nine".