985157800704 has 864 divisors, whose sum is σ = 3758697406464. Its totient is φ = 249882071040.

The previous prime is 985157800703. The next prime is 985157800717. The reversal of 985157800704 is 407008751589.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (985157800703) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 205968297 + ... + 205973079.

Almost surely, 2^985157800704 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 985157800704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879348703232).

985157800704 is an abundant number, since it is smaller than the sum of its proper divisors (2773539605760).

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

985157800704 is a wasteful number, since it uses less digits than its factorization.

985157800704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875 (or 4849 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 985157800704 in words is "nine hundred eighty-five billion, one hundred fifty-seven million, eight hundred thousand, seven hundred four".