885401191 has 12 divisors (see below), whose sum is σ = 960937776. Its totient is φ = 812967680.

The previous prime is 885401189. The next prime is 885401221. The reversal of 885401191 is 191104588.

885401191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 885401191 - 2¹ = 885401189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 885401191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885401131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13086 + ... + 44068.

It is an arithmetic number, because the mean of its divisors is an integer number (80078148).

Almost surely, 2^885401191 is an apocalyptic number.

885401191 is a deficient number, since it is larger than the sum of its proper divisors (75536585).

885401191 is a wasteful number, since it uses less digits than its factorization.

885401191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31082 (or 31041 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 885401191 is about 29755.6917412451. The cubic root of 885401191 is about 960.2405325380.

The spelling of 885401191 in words is "eight hundred eighty-five million, four hundred one thousand, one hundred ninety-one".