84542174107 has 4 divisors (see below), whose sum is σ = 87457421520. Its totient is φ = 81626926696.

The previous prime is 84542174099. The next prime is 84542174111. The reversal of 84542174107 is 70147124548.

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 84542174107 - 2³ = 84542174099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84542172107) 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, 1457623663 + ... + 1457623720.

It is an arithmetic number, because the mean of its divisors is an integer number (21864355380).

Almost surely, 2^84542174107 is an apocalyptic number.

84542174107 is a deficient number, since it is larger than the sum of its proper divisors (2915247413).

84542174107 is a wasteful number, since it uses less digits than its factorization.

84542174107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915247412.

The product of its (nonzero) digits is 250880, while the sum is 43.

The spelling of 84542174107 in words is "eighty-four billion, five hundred forty-two million, one hundred seventy-four thousand, one hundred seven".