84931214277 has 32 divisors (see below), whose sum is σ = 147572796672. Its totient is φ = 42163651584.

The previous prime is 84931214227. The next prime is 84931214297. The reversal of 84931214277 is 77241213948.

It is not a de Polignac number, because 84931214277 - 2¹⁸ = 84930952133 is a prime.

It is a super-2 number, since 2×84931214277² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84931214227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9145458 + ... + 9154739.

It is an arithmetic number, because the mean of its divisors is an integer number (4611649896).

Almost surely, 2^84931214277 is an apocalyptic number.

It is an amenable number.

84931214277 is a deficient number, since it is larger than the sum of its proper divisors (62641582395).

84931214277 is a wasteful number, since it uses less digits than its factorization.

84931214277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300237.

The product of its digits is 677376, while the sum is 48.

The spelling of 84931214277 in words is "eighty-four billion, nine hundred thirty-one million, two hundred fourteen thousand, two hundred seventy-seven".