286891315057896 has 128 divisors (see below), whose sum is σ = 799605401932800. Its totient is φ = 85244771036160.

The previous prime is 286891315057849. The next prime is 286891315057903. The reversal of 286891315057896 is 698750513198682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23416911 + ... + 33498273.

It is an arithmetic number, because the mean of its divisors is an integer number (6246917202600).

Almost surely, 2^{286891315057896} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286891315057896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399802700966400).

286891315057896 is an abundant number, since it is smaller than the sum of its proper divisors (512714086874904).

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

286891315057896 is a wasteful number, since it uses less digits than its factorization.

286891315057896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085079 (or 10085075 counting only the distinct ones).

The product of its (nonzero) digits is 1567641600, while the sum is 78.

The spelling of 286891315057896 in words is "two hundred eighty-six trillion, eight hundred ninety-one billion, three hundred fifteen million, fifty-seven thousand, eight hundred ninety-six".