84191995 has 8 divisors (see below), whose sum is σ = 102414816. Its totient is φ = 66430656.

The previous prime is 84191957. The next prime is 84192011. The reversal of 84191995 is 59919148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84191995 - 2⁷ = 84191867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114967 + ... + 115696.

It is an arithmetic number, because the mean of its divisors is an integer number (12801852).

Almost surely, 2^84191995 is an apocalyptic number.

84191995 is a deficient number, since it is larger than the sum of its proper divisors (18222821).

84191995 is a wasteful number, since it uses less digits than its factorization.

84191995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230741.

The product of its digits is 116640, while the sum is 46.

The square root of 84191995 is about 9175.6195976076. The cubic root of 84191995 is about 438.2853290530.

The spelling of 84191995 in words is "eighty-four million, one hundred ninety-one thousand, nine hundred ninety-five".