850551355378 has 64 divisors (see below), whose sum is σ = 1358807788800. Its totient is φ = 398713835520.

The previous prime is 850551355351. The next prime is 850551355417. The reversal of 850551355378 is 873553155058.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65587051 + ... + 65600017.

It is an arithmetic number, because the mean of its divisors is an integer number (21231371700).

Almost surely, 2^850551355378 is an apocalyptic number.

850551355378 is a deficient number, since it is larger than the sum of its proper divisors (508256433422).

850551355378 is a wasteful number, since it uses less digits than its factorization.

850551355378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13315.

The product of its (nonzero) digits is 12600000, while the sum is 55.

The spelling of 850551355378 in words is "eight hundred fifty billion, five hundred fifty-one million, three hundred fifty-five thousand, three hundred seventy-eight".