808401478 has 16 divisors (see below), whose sum is σ = 1231781904. Its totient is φ = 397856160.

The previous prime is 808401427. The next prime is 808401499. The reversal of 808401478 is 874104808.

It is a self number, because there is not a number n which added to its sum of digits gives 808401478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21568 + ... + 45628.

It is an arithmetic number, because the mean of its divisors is an integer number (76986369).

Almost surely, 2^808401478 is an apocalyptic number.

808401478 is a deficient number, since it is larger than the sum of its proper divisors (423380426).

808401478 is a wasteful number, since it uses less digits than its factorization.

808401478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24327.

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 808401478 is about 28432.4019034622. The cubic root of 808401478 is about 931.5561406102.

The spelling of 808401478 in words is "eight hundred eight million, four hundred one thousand, four hundred seventy-eight".