814887480 has 64 divisors (see below), whose sum is σ = 2666908800. Its totient is φ = 197548160.

The previous prime is 814887473. The next prime is 814887481. The reversal of 814887480 is 84788418.

It is a happy number.

It is a super-4 number, since 4×814887480⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814887481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 307350 + ... + 309989.

It is an arithmetic number, because the mean of its divisors is an integer number (41670450).

Almost surely, 2^814887480 is an apocalyptic number.

It is an amenable number.

814887480 is an abundant number, since it is smaller than the sum of its proper divisors (1852021320).

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

814887480 is a wasteful number, since it uses less digits than its factorization.

814887480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617364 (or 617360 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 48.

The square root of 814887480 is about 28546.2340773700. The cubic root of 814887480 is about 934.0408744895.

The spelling of 814887480 in words is "eight hundred fourteen million, eight hundred eighty-seven thousand, four hundred eighty".