84995147 has 4 divisors (see below), whose sum is σ = 85114080. Its totient is φ = 84876216.

The previous prime is 84995117. The next prime is 84995153. The reversal of 84995147 is 74159948.

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 84995147 - 2⁸ = 84994891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84995117) 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, 58388 + ... + 59825.

It is an arithmetic number, because the mean of its divisors is an integer number (21278520).

Almost surely, 2^84995147 is an apocalyptic number.

84995147 is a deficient number, since it is larger than the sum of its proper divisors (118933).

84995147 is a wasteful number, since it uses less digits than its factorization.

84995147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118932.

The product of its digits is 362880, while the sum is 47.

The square root of 84995147 is about 9219.2812626582. The cubic root of 84995147 is about 439.6745992862.

The spelling of 84995147 in words is "eighty-four million, nine hundred ninety-five thousand, one hundred forty-seven".