84399927 has 16 divisors (see below), whose sum is σ = 115492608. Its totient is φ = 54794880.

The previous prime is 84399907. The next prime is 84399929. The reversal of 84399927 is 72999348.

It is not a de Polignac number, because 84399927 - 2⁸ = 84399671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84399927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84399929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55102 + ... + 56612.

It is an arithmetic number, because the mean of its divisors is an integer number (7218288).

Almost surely, 2^84399927 is an apocalyptic number.

84399927 is a deficient number, since it is larger than the sum of its proper divisors (31092681).

84399927 is a wasteful number, since it uses less digits than its factorization.

84399927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990.

The product of its digits is 979776, while the sum is 51.

The square root of 84399927 is about 9186.9432892557. The cubic root of 84399927 is about 438.6458487696.

The spelling of 84399927 in words is "eighty-four million, three hundred ninety-nine thousand, nine hundred twenty-seven".