786478452 has 48 divisors (see below), whose sum is σ = 1865747520. Its totient is φ = 257813248.

The previous prime is 786478403. The next prime is 786478481. The reversal of 786478452 is 254874687.

It is a junction number, because it is equal to n+sod(n) for n = 786478395 and 786478404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230374 + ... + 233762.

It is an arithmetic number, because the mean of its divisors is an integer number (38869740).

Almost surely, 2^786478452 is an apocalyptic number.

It is an amenable number.

786478452 is an abundant number, since it is smaller than the sum of its proper divisors (1079269068).

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

786478452 is a wasteful number, since it uses less digits than its factorization.

786478452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3710 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 51.

The square root of 786478452 is about 28044.2231484490. The cubic root of 786478452 is about 923.0578982981.

The spelling of 786478452 in words is "seven hundred eighty-six million, four hundred seventy-eight thousand, four hundred fifty-two".