850577642 has 16 divisors (see below), whose sum is σ = 1281234240. Its totient is φ = 423504288.

The previous prime is 850577639. The next prime is 850577653. The reversal of 850577642 is 246775058.

850577642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 850577593 and 850577602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834209 + ... + 835227.

It is an arithmetic number, because the mean of its divisors is an integer number (80077140).

Almost surely, 2^850577642 is an apocalyptic number.

850577642 is a deficient number, since it is larger than the sum of its proper divisors (430656598).

850577642 is a wasteful number, since it uses less digits than its factorization.

850577642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 850577642 is about 29164.6642703118. The cubic root of 850577642 is about 947.4827697407.

The spelling of 850577642 in words is "eight hundred fifty million, five hundred seventy-seven thousand, six hundred forty-two".