810478710 has 80 divisors (see below), whose sum is σ = 2238269616. Its totient is φ = 210278592.

The previous prime is 810478679. The next prime is 810478717. The reversal of 810478710 is 17874018.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810478717) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16449 + ... + 43491.

Almost surely, 2^810478710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810478710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119134808).

810478710 is an abundant number, since it is smaller than the sum of its proper divisors (1427790906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

810478710 is a wasteful number, since it uses less digits than its factorization.

810478710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27099 (or 27090 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 810478710 is about 28468.9077767307. The cubic root of 810478710 is about 932.3533530626.

The spelling of 810478710 in words is "eight hundred ten million, four hundred seventy-eight thousand, seven hundred ten".