84552399 has 12 divisors (see below), whose sum is σ = 122326776. Its totient is φ = 56278032.

The previous prime is 84552383. The next prime is 84552401. The reversal of 84552399 is 99325548.

84552399 is a `hidden beast` number, since 8 + 4 + 552 + 3 + 99 = 666.

It is not a de Polignac number, because 84552399 - 2⁴ = 84552383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84552329) 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 11 ways as a sum of consecutive naturals, for example, 1317 + ... + 13070.

It is an arithmetic number, because the mean of its divisors is an integer number (10193898).

Almost surely, 2^84552399 is an apocalyptic number.

84552399 is a deficient number, since it is larger than the sum of its proper divisors (37774377).

84552399 is a wasteful number, since it uses less digits than its factorization.

84552399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15046 (or 15043 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 84552399 is about 9195.2378435797. The cubic root of 84552399 is about 438.9098338939.

The spelling of 84552399 in words is "eighty-four million, five hundred fifty-two thousand, three hundred ninety-nine".