84412807 has 4 divisors (see below), whose sum is σ = 84489496. Its totient is φ = 84336120.

The previous prime is 84412787. The next prime is 84412813. The reversal of 84412807 is 70821448.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84412807 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 (84412847) 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, 36669 + ... + 38902.

It is an arithmetic number, because the mean of its divisors is an integer number (21122374).

Almost surely, 2^84412807 is an apocalyptic number.

84412807 is a deficient number, since it is larger than the sum of its proper divisors (76689).

84412807 is a wasteful number, since it uses less digits than its factorization.

84412807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76688.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 84412807 is about 9187.6442573709. The cubic root of 84412807 is about 438.6681610763.

The spelling of 84412807 in words is "eighty-four million, four hundred twelve thousand, eight hundred seven".