850781553960 has 64 divisors (see below), whose sum is σ = 2748678871680. Its totient is φ = 209423151360.

The previous prime is 850781553959. The next prime is 850781553991. The reversal of 850781553960 is 69355187058.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 850781553960.

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, 272684836 + ... + 272687955.

It is an arithmetic number, because the mean of its divisors is an integer number (42948107370).

Almost surely, 2^850781553960 is an apocalyptic number.

It is an amenable number.

850781553960 is an abundant number, since it is smaller than the sum of its proper divisors (1897897317720).

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

850781553960 is a wasteful number, since it uses less digits than its factorization.

850781553960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545372818 (or 545372814 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 850781553960 in words is "eight hundred fifty billion, seven hundred eighty-one million, five hundred fifty-three thousand, nine hundred sixty".