84992799 has 4 divisors (see below), whose sum is σ = 113323736. Its totient is φ = 56661864.

The previous prime is 84992771. The next prime is 84992821. The reversal of 84992799 is 99729948.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84992799 - 2⁸ = 84992543 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 (84992749) 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, 14165464 + ... + 14165469.

It is an arithmetic number, because the mean of its divisors is an integer number (28330934).

Almost surely, 2^84992799 is an apocalyptic number.

84992799 is a deficient number, since it is larger than the sum of its proper divisors (28330937).

84992799 is a wasteful number, since it uses less digits than its factorization.

84992799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28330936.

The product of its digits is 2939328, while the sum is 57.

The square root of 84992799 is about 9219.1539199647. The cubic root of 84992799 is about 439.6705505630.

The spelling of 84992799 in words is "eighty-four million, nine hundred ninety-two thousand, seven hundred ninety-nine".