985552785270 has 64 divisors (see below), whose sum is σ = 2628354674880. Its totient is φ = 262792684800.

The previous prime is 985552785253. The next prime is 985552785311. The reversal of 985552785270 is 72587255589.

985552785270 is a `hidden beast` number, since 9 + 8 + 5 + 5 + 527 + 85 + 27 + 0 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 985552785198 and 985552785207.

It is a congruent number.

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, 3324940 + ... + 3609200.

It is an arithmetic number, because the mean of its divisors is an integer number (41068041795).

Almost surely, 2^985552785270 is an apocalyptic number.

985552785270 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

985552785270 is an abundant number, since it is smaller than the sum of its proper divisors (1642801889610).

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

985552785270 is a wasteful number, since it uses less digits than its factorization.

985552785270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297118 (or 297112 counting only the distinct ones).

The product of its (nonzero) digits is 70560000, while the sum is 63.

The spelling of 985552785270 in words is "nine hundred eighty-five billion, five hundred fifty-two million, seven hundred eighty-five thousand, two hundred seventy".