84755899 has 4 divisors (see below), whose sum is σ = 86559264. Its totient is φ = 82952536.

The previous prime is 84755887. The next prime is 84755917. The reversal of 84755899 is 99855748.

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

It is a cyclic number.

It is not a de Polignac number, because 84755899 - 2¹⁹ = 84231611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84755849) 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, 901612 + ... + 901705.

It is an arithmetic number, because the mean of its divisors is an integer number (21639816).

Almost surely, 2^84755899 is an apocalyptic number.

84755899 is a deficient number, since it is larger than the sum of its proper divisors (1803365).

84755899 is a wasteful number, since it uses less digits than its factorization.

84755899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803364.

The product of its digits is 3628800, while the sum is 55.

The square root of 84755899 is about 9206.2967038870. The cubic root of 84755899 is about 439.2616732708.

The spelling of 84755899 in words is "eighty-four million, seven hundred fifty-five thousand, eight hundred ninety-nine".