84769788 has 12 divisors (see below), whose sum is σ = 197796200. Its totient is φ = 28256592.

The previous prime is 84769781. The next prime is 84769819. The reversal of 84769788 is 88796748.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84769781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532063 + ... + 3532086.

Almost surely, 2^84769788 is an apocalyptic number.

It is an amenable number.

84769788 is an abundant number, since it is smaller than the sum of its proper divisors (113026412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84769788 is a wasteful number, since it uses less digits than its factorization.

84769788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064156 (or 7064154 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 57.

The square root of 84769788 is about 9207.0509936678. The cubic root of 84769788 is about 439.2856659849.

The spelling of 84769788 in words is "eighty-four million, seven hundred sixty-nine thousand, seven hundred eighty-eight".