84705677 has 4 divisors (see below), whose sum is σ = 96806496. Its totient is φ = 72604860.

The previous prime is 84705659. The next prime is 84705683. The reversal of 84705677 is 77650748.

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 84705677 - 2⁶ = 84705613 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 (84705697) 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, 6050399 + ... + 6050412.

It is an arithmetic number, because the mean of its divisors is an integer number (24201624).

Almost surely, 2^84705677 is an apocalyptic number.

It is an amenable number.

84705677 is a deficient number, since it is larger than the sum of its proper divisors (12100819).

84705677 is a wasteful number, since it uses less digits than its factorization.

84705677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100818.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 84705677 is about 9203.5687100168. The cubic root of 84705677 is about 439.1748948134.

The spelling of 84705677 in words is "eighty-four million, seven hundred five thousand, six hundred seventy-seven".