84318032577 has 4 divisors (see below), whose sum is σ = 112424043440. Its totient is φ = 56212021716.

The previous prime is 84318032551. The next prime is 84318032587. The reversal of 84318032577 is 77523081348.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84318032577 - 2¹¹ = 84318030529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84318032537) 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, 14053005427 + ... + 14053005432.

It is an arithmetic number, because the mean of its divisors is an integer number (28106010860).

Almost surely, 2^84318032577 is an apocalyptic number.

It is an amenable number.

84318032577 is a deficient number, since it is larger than the sum of its proper divisors (28106010863).

84318032577 is a wasteful number, since it uses less digits than its factorization.

84318032577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28106010862.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 84318032577 in words is "eighty-four billion, three hundred eighteen million, thirty-two thousand, five hundred seventy-seven".