788478 has 8 divisors (see below), whose sum is σ = 1576968. Its totient is φ = 262824.

The previous prime is 788467. The next prime is 788479. The reversal of 788478 is 874887.

It is a sphenic number, since it is the product of 3 distinct primes.

788478 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65701 + ... + 65712.

It is an arithmetic number, because the mean of its divisors is an integer number (197121).

2⁷⁸⁸⁴⁷⁸ is an apocalyptic number.

788478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

788478 is a wasteful number, since it uses less digits than its factorization.

788478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131418.

The product of its digits is 100352, while the sum is 42.

The square root of 788478 is about 887.9628370602. The cubic root of 788478 is about 92.3839499118.

The spelling of 788478 in words is "seven hundred eighty-eight thousand, four hundred seventy-eight".