84774929 has 4 divisors (see below), whose sum is σ = 84810240. Its totient is φ = 84739620.

The previous prime is 84774919. The next prime is 84774959. The reversal of 84774929 is 92947748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84774929 - 2¹⁶ = 84709393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84774919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13769 + ... + 18950.

It is an arithmetic number, because the mean of its divisors is an integer number (21202560).

Almost surely, 2^84774929 is an apocalyptic number.

It is an amenable number.

84774929 is a deficient number, since it is larger than the sum of its proper divisors (35311).

84774929 is a wasteful number, since it uses less digits than its factorization.

84774929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35310.

The product of its digits is 1016064, while the sum is 50.

The square root of 84774929 is about 9207.3301776356. The cubic root of 84774929 is about 439.2945462004.

The spelling of 84774929 in words is "eighty-four million, seven hundred seventy-four thousand, nine hundred twenty-nine".