854027791 has 4 divisors (see below), whose sum is σ = 857757400. Its totient is φ = 850298184.

The previous prime is 854027749. The next prime is 854027807. The reversal of 854027791 is 197720458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854027791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854027731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864461 + ... + 1864918.

It is an arithmetic number, because the mean of its divisors is an integer number (214439350).

Almost surely, 2^854027791 is an apocalyptic number.

854027791 is a deficient number, since it is larger than the sum of its proper divisors (3729609).

854027791 is a wasteful number, since it uses less digits than its factorization.

854027791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729608.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 854027791 is about 29223.7538827578. The cubic root of 854027791 is about 948.7621147447.

The spelling of 854027791 in words is "eight hundred fifty-four million, twenty-seven thousand, seven hundred ninety-one".