84630777 has 64 divisors (see below), whose sum is σ = 155602944. Its totient is φ = 39536640.

The previous prime is 84630739. The next prime is 84630781. The reversal of 84630777 is 77703648.

It is not a de Polignac number, because 84630777 - 2¹⁹ = 84106489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84630727) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89853 + ... + 90789.

It is an arithmetic number, because the mean of its divisors is an integer number (2431296).

Almost surely, 2^84630777 is an apocalyptic number.

It is an amenable number.

84630777 is a deficient number, since it is larger than the sum of its proper divisors (70972167).

84630777 is a wasteful number, since it uses less digits than its factorization.

84630777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 84630777 is about 9199.4987363443. The cubic root of 84630777 is about 439.0454115604.

The spelling of 84630777 in words is "eighty-four million, six hundred thirty thousand, seven hundred seventy-seven".