84791127 has 4 divisors (see below), whose sum is σ = 113054840. Its totient is φ = 56527416.

The previous prime is 84791123. The next prime is 84791153. The reversal of 84791127 is 72119748.

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

It is not a de Polignac number, because 84791127 - 2² = 84791123 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 (84791123) 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, 14131852 + ... + 14131857.

It is an arithmetic number, because the mean of its divisors is an integer number (28263710).

Almost surely, 2^84791127 is an apocalyptic number.

84791127 is a deficient number, since it is larger than the sum of its proper divisors (28263713).

84791127 is a wasteful number, since it uses less digits than its factorization.

84791127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28263712.

The product of its digits is 28224, while the sum is 39.

The square root of 84791127 is about 9208.2097608601. The cubic root of 84791127 is about 439.3225231821.

The spelling of 84791127 in words is "eighty-four million, seven hundred ninety-one thousand, one hundred twenty-seven".