84779896 has 16 divisors (see below), whose sum is σ = 159060600. Its totient is φ = 42363744.

The previous prime is 84779879. The next prime is 84779897. The reversal of 84779896 is 69897748.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84779896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84779897) 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, 21451 + ... + 25093.

Almost surely, 2^84779896 is an apocalyptic number.

It is an amenable number.

84779896 is a deficient number, since it is larger than the sum of its proper divisors (74280704).

84779896 is a wasteful number, since it uses less digits than its factorization.

84779896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558 (or 6554 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 58.

The square root of 84779896 is about 9207.5999044268. The cubic root of 84779896 is about 439.3031255191.

The spelling of 84779896 in words is "eighty-four million, seven hundred seventy-nine thousand, eight hundred ninety-six".