811082979 has 24 divisors (see below), whose sum is σ = 1339988832. Its totient is φ = 463109760.

The previous prime is 811082969. The next prime is 811082999. The reversal of 811082979 is 979280118.

It is not a de Polignac number, because 811082979 - 2⁷ = 811082851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (811082969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88957 + ... + 97649.

It is an arithmetic number, because the mean of its divisors is an integer number (55832868).

Almost surely, 2^811082979 is an apocalyptic number.

811082979 is a deficient number, since it is larger than the sum of its proper divisors (528905853).

811082979 is a wasteful number, since it uses less digits than its factorization.

811082979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187 (or 10184 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 811082979 is about 28479.5185879256. The cubic root of 811082979 is about 932.5850072126.

The spelling of 811082979 in words is "eight hundred eleven million, eighty-two thousand, nine hundred seventy-nine".