84610899 has 24 divisors (see below), whose sum is σ = 127475712. Its totient is φ = 56081160.

The previous prime is 84610891. The next prime is 84610901. The reversal of 84610899 is 99801648.

It is not a de Polignac number, because 84610899 - 2³ = 84610891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84610891) 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 23 ways as a sum of consecutive naturals, for example, 45502 + ... + 47324.

It is an arithmetic number, because the mean of its divisors is an integer number (5311488).

Almost surely, 2^84610899 is an apocalyptic number.

84610899 is a deficient number, since it is larger than the sum of its proper divisors (42864813).

84610899 is a wasteful number, since it uses less digits than its factorization.

84610899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2017 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 84610899 is about 9198.4182879449. The cubic root of 84610899 is about 439.0110346730.

The spelling of 84610899 in words is "eighty-four million, six hundred ten thousand, eight hundred ninety-nine".