84459057 has 16 divisors (see below), whose sum is σ = 116762688. Its totient is φ = 54264320.

The previous prime is 84459019. The next prime is 84459083. The reversal of 84459057 is 75095448.

It is not a de Polignac number, because 84459057 - 2⁷ = 84458929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84459007) 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, 6073 + ... + 14345.

It is an arithmetic number, because the mean of its divisors is an integer number (7297668).

Almost surely, 2^84459057 is an apocalyptic number.

It is an amenable number.

84459057 is a deficient number, since it is larger than the sum of its proper divisors (32303631).

84459057 is a wasteful number, since it uses less digits than its factorization.

84459057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 84459057 is about 9190.1608799846. The cubic root of 84459057 is about 438.7482622637.

The spelling of 84459057 in words is "eighty-four million, four hundred fifty-nine thousand, fifty-seven".