413686781478 has 12 divisors (see below), whose sum is σ = 896321359908. Its totient is φ = 137895593820.

The previous prime is 413686781437. The next prime is 413686781479. The reversal of 413686781478 is 874187686314.

413686781478 is a `hidden beast` number, since 4 + 1 + 3 + 6 + 86 + 7 + 81 + 478 = 666.

It is a super-2 number, since 2×413686781478² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413686781479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11491299468 + ... + 11491299503.

It is an arithmetic number, because the mean of its divisors is an integer number (74693446659).

Almost surely, 2^413686781478 is an apocalyptic number.

413686781478 is an abundant number, since it is smaller than the sum of its proper divisors (482634578430).

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

413686781478 is a wasteful number, since it uses less digits than its factorization.

413686781478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22982598979 (or 22982598976 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The spelling of 413686781478 in words is "four hundred thirteen billion, six hundred eighty-six million, seven hundred eighty-one thousand, four hundred seventy-eight".