811025878 has 8 divisors (see below), whose sum is σ = 1310118768. Its totient is φ = 374319624.

The previous prime is 811025837. The next prime is 811025899. The reversal of 811025878 is 878520118.

811025878 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 a super-4 number, since 4×811025878⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 811025878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15596626 + ... + 15596677.

It is an arithmetic number, because the mean of its divisors is an integer number (163764846).

Almost surely, 2^811025878 is an apocalyptic number.

811025878 is a deficient number, since it is larger than the sum of its proper divisors (499092890).

811025878 is a wasteful number, since it uses less digits than its factorization.

811025878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31193318.

The product of its (nonzero) digits is 35840, while the sum is 40.

The square root of 811025878 is about 28478.5160779139. The cubic root of 811025878 is about 932.5631217469.

The spelling of 811025878 in words is "eight hundred eleven million, twenty-five thousand, eight hundred seventy-eight".