285698106980 has 288 divisors, whose sum is σ = 721448792064. Its totient is φ = 94393728000.

The previous prime is 285698106979. The next prime is 285698106997. The reversal of 285698106980 is 89601896582.

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 95 ways as a sum of consecutive naturals, for example, 745947869 + ... + 745948251.

It is an arithmetic number, because the mean of its divisors is an integer number (2505030528).

Almost surely, 2^285698106980 is an apocalyptic number.

285698106980 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 285698106980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360724396032).

285698106980 is an abundant number, since it is smaller than the sum of its proper divisors (435750685084).

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

285698106980 is a wasteful number, since it uses less digits than its factorization.

285698106980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 62.

The spelling of 285698106980 in words is "two hundred eighty-five billion, six hundred ninety-eight million, one hundred six thousand, nine hundred eighty".