84175961 has 4 divisors (see below), whose sum is σ = 84198912. Its totient is φ = 84153012.

The previous prime is 84175957. The next prime is 84175969. The reversal of 84175961 is 16957148.

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 a cyclic number.

It is not a de Polignac number, because 84175961 - 2² = 84175957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84175969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4601 + ... + 13766.

It is an arithmetic number, because the mean of its divisors is an integer number (21049728).

Almost surely, 2^84175961 is an apocalyptic number.

It is an amenable number.

84175961 is a deficient number, since it is larger than the sum of its proper divisors (22951).

84175961 is a wasteful number, since it uses less digits than its factorization.

84175961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22950.

The product of its digits is 60480, while the sum is 41.

The square root of 84175961 is about 9174.7458275420. The cubic root of 84175961 is about 438.2575041070.

The spelling of 84175961 in words is "eighty-four million, one hundred seventy-five thousand, nine hundred sixty-one".