84693877 has 4 divisors (see below), whose sum is σ = 84754656. Its totient is φ = 84633100.

The previous prime is 84693871. The next prime is 84693893. The reversal of 84693877 is 77839648.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 84693877 - 2¹¹ = 84691829 is a prime.

It is a super-2 number, since 2×84693877² = 14346105602582258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84693871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28249 + ... + 31102.

It is an arithmetic number, because the mean of its divisors is an integer number (21188664).

Almost surely, 2^84693877 is an apocalyptic number.

It is an amenable number.

84693877 is a deficient number, since it is larger than the sum of its proper divisors (60779).

84693877 is a wasteful number, since it uses less digits than its factorization.

84693877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60778.

The product of its digits is 2032128, while the sum is 52.

The square root of 84693877 is about 9202.9276320093. The cubic root of 84693877 is about 439.1545006493.

The spelling of 84693877 in words is "eighty-four million, six hundred ninety-three thousand, eight hundred seventy-seven".