286461425478 has 96 divisors (see below), whose sum is σ = 607887594720. Its totient is φ = 89975057920.

The previous prime is 286461425477. The next prime is 286461425491. The reversal of 286461425478 is 874524164682.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286461425477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82766668 + ... + 82770128.

It is an arithmetic number, because the mean of its divisors is an integer number (6332162445).

Almost surely, 2^286461425478 is an apocalyptic number.

286461425478 is an abundant number, since it is smaller than the sum of its proper divisors (321426169242).

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

286461425478 is a wasteful number, since it uses less digits than its factorization.

286461425478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894 (or 3871 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 57.

The spelling of 286461425478 in words is "two hundred eighty-six billion, four hundred sixty-one million, four hundred twenty-five thousand, four hundred seventy-eight".