84275913 has 4 divisors (see below), whose sum is σ = 112367888. Its totient is φ = 56183940.

The previous prime is 84275909. The next prime is 84275921. The reversal of 84275913 is 31957248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84275913 - 2² = 84275909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84275923) 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, 14045983 + ... + 14045988.

It is an arithmetic number, because the mean of its divisors is an integer number (28091972).

Almost surely, 2^84275913 is an apocalyptic number.

It is an amenable number.

84275913 is a deficient number, since it is larger than the sum of its proper divisors (28091975).

84275913 is a wasteful number, since it uses less digits than its factorization.

84275913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28091974.

The product of its digits is 60480, while the sum is 39.

The square root of 84275913 is about 9180.1913378753. The cubic root of 84275913 is about 438.4309003546.

The spelling of 84275913 in words is "eighty-four million, two hundred seventy-five thousand, nine hundred thirteen".