84385777 has 8 divisors (see below), whose sum is σ = 96529536. Its totient is φ = 72264192.

The previous prime is 84385771. The next prime is 84385787. The reversal of 84385777 is 77758348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84385777 - 2¹¹ = 84383729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84385777.

It is not an unprimeable number, because it can be changed into a prime (84385771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3633 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (12066192).

Almost surely, 2^84385777 is an apocalyptic number.

It is an amenable number.

84385777 is a deficient number, since it is larger than the sum of its proper divisors (12143759).

84385777 is a wasteful number, since it uses less digits than its factorization.

84385777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11087.

The product of its digits is 1317120, while the sum is 49.

The square root of 84385777 is about 9186.1731422829. The cubic root of 84385777 is about 438.6213337972.

The spelling of 84385777 in words is "eighty-four million, three hundred eighty-five thousand, seven hundred seventy-seven".