84545507 has 4 divisors (see below), whose sum is σ = 84666816. Its totient is φ = 84424200.

The previous prime is 84545501. The next prime is 84545557. The reversal of 84545507 is 70554548.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84545507 is a prime.

It is a pancake number, because a pancake can be divided into 84545507 parts by 13003 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84545501) 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 3 ways as a sum of consecutive naturals, for example, 59603 + ... + 61004.

It is an arithmetic number, because the mean of its divisors is an integer number (21166704).

Almost surely, 2^84545507 is an apocalyptic number.

84545507 is a deficient number, since it is larger than the sum of its proper divisors (121309).

84545507 is a wasteful number, since it uses less digits than its factorization.

84545507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121308.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 84545507 is about 9194.8630767402. The cubic root of 84545507 is about 438.8979081579.

The spelling of 84545507 in words is "eighty-four million, five hundred forty-five thousand, five hundred seven".