285625980860 has 48 divisors (see below), whose sum is σ = 654578178912. Its totient is φ = 103826688000.

The previous prime is 285625980851. The next prime is 285625980881. The reversal of 285625980860 is 68089526582.

It is a self number, because there is not a number n which added to its sum of digits gives 285625980860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384464 + ... + 847976.

It is an arithmetic number, because the mean of its divisors is an integer number (13637045394).

Almost surely, 2^285625980860 is an apocalyptic number.

285625980860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285625980860 is an abundant number, since it is smaller than the sum of its proper divisors (368952198052).

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

285625980860 is a wasteful number, since it uses less digits than its factorization.

285625980860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466334 (or 466332 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 59.

The spelling of 285625980860 in words is "two hundred eighty-five billion, six hundred twenty-five million, nine hundred eighty thousand, eight hundred sixty".