8779791 has 8 divisors (see below), whose sum is σ = 11898544. Its totient is φ = 5757120.

The previous prime is 8779787. The next prime is 8779801. The reversal of 8779791 is 1979778.

8779791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8779791 - 2² = 8779787 is a prime.

It is a Duffinian number.

8779791 is a lucky number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8779791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8779711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23806 + ... + 24171.

It is an arithmetic number, because the mean of its divisors is an integer number (1487318).

Almost surely, 2^8779791 is an apocalyptic number.

8779791 is a deficient number, since it is larger than the sum of its proper divisors (3118753).

8779791 is a wasteful number, since it uses less digits than its factorization.

8779791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48041.

The product of its digits is 222264, while the sum is 48.

The square root of 8779791 is about 2963.0712107541. The cubic root of 8779791 is about 206.2978614363.

The spelling of 8779791 in words is "eight million, seven hundred seventy-nine thousand, seven hundred ninety-one".