811079 has 4 divisors (see below), whose sum is σ = 828384. Its totient is φ = 793776.

The previous prime is 811067. The next prime is 811081. The reversal of 811079 is 970118.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970118 = 2 ⋅485059.

It is a cyclic number.

It is not a de Polignac number, because 811079 - 2¹⁶ = 745543 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 (811039) 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, 8582 + ... + 8675.

It is an arithmetic number, because the mean of its divisors is an integer number (207096).

2⁸¹¹⁰⁷⁹ is an apocalyptic number.

811079 is a deficient number, since it is larger than the sum of its proper divisors (17305).

811079 is a wasteful number, since it uses less digits than its factorization.

811079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17304.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 811079 is about 900.5992449475. The cubic root of 811079 is about 93.2583482189.

The spelling of 811079 in words is "eight hundred eleven thousand, seventy-nine".