850197625648 has 120 divisors (see below), whose sum is σ = 1958985991872. Its totient is φ = 356250166272.

The previous prime is 850197625639. The next prime is 850197625681. The reversal of 850197625648 is 846526791058.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37315636 + ... + 37338412.

Almost surely, 2^850197625648 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 850197625648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979492995936).

850197625648 is an abundant number, since it is smaller than the sum of its proper divisors (1108788366224).

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

850197625648 is a wasteful number, since it uses less digits than its factorization.

850197625648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23859 (or 23846 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 850197625648 in words is "eight hundred fifty billion, one hundred ninety-seven million, six hundred twenty-five thousand, six hundred forty-eight".