285043972848 has 80 divisors (see below), whose sum is σ = 761889643680. Its totient is φ = 91722129408.

The previous prime is 285043972847. The next prime is 285043972849. The reversal of 285043972848 is 848279340582.

It is an interprime number because it is at equal distance from previous prime (285043972847) and next prime (285043972849).

It is a super-2 number, since 2×285043972848² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 285043972791 and 285043972800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285043972847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9808836 + ... + 9837852.

It is an arithmetic number, because the mean of its divisors is an integer number (9523620546).

Almost surely, 2^285043972848 is an apocalyptic number.

It is an amenable number.

285043972848 is an abundant number, since it is smaller than the sum of its proper divisors (476845670832).

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

285043972848 is a wasteful number, since it uses less digits than its factorization.

285043972848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36114 (or 36108 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 285043972848 in words is "two hundred eighty-five billion, forty-three million, nine hundred seventy-two thousand, eight hundred forty-eight".