810027478 has 48 divisors (see below), whose sum is σ = 1420636320. Its totient is φ = 345176832.

The previous prime is 810027397. The next prime is 810027487. The reversal of 810027478 is 874720018.

It is a super-2 number, since 2×810027478² = 1312289030230080968, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223650 + ... + 227242.

It is an arithmetic number, because the mean of its divisors is an integer number (29596590).

Almost surely, 2^810027478 is an apocalyptic number.

810027478 is a deficient number, since it is larger than the sum of its proper divisors (610608842).

810027478 is a wasteful number, since it uses less digits than its factorization.

810027478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 810027478 is about 28460.9816766745. The cubic root of 810027478 is about 932.1802924737.

The spelling of 810027478 in words is "eight hundred ten million, twenty-seven thousand, four hundred seventy-eight".