286473856620 has 96 divisors (see below), whose sum is σ = 917762807808. Its totient is φ = 65404991232.

The previous prime is 286473856609. The next prime is 286473856639. The reversal of 286473856620 is 26658374682.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 20532 + ... + 757211.

It is an arithmetic number, because the mean of its divisors is an integer number (9560029248).

Almost surely, 2^286473856620 is an apocalyptic number.

286473856620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286473856620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458881403904).

286473856620 is an abundant number, since it is smaller than the sum of its proper divisors (631288951188).

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

286473856620 is a wasteful number, since it uses less digits than its factorization.

286473856620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778639 (or 778637 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 286473856620 in words is "two hundred eighty-six billion, four hundred seventy-three million, eight hundred fifty-six thousand, six hundred twenty".