84715121141 has 4 divisors (see below), whose sum is σ = 96817281312. Its totient is φ = 72612960972.

The previous prime is 84715121137. The next prime is 84715121159. The reversal of 84715121141 is 14112151748.

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 84715121141 - 2² = 84715121137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84715121111) 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, 6051080075 + ... + 6051080088.

It is an arithmetic number, because the mean of its divisors is an integer number (24204320328).

Almost surely, 2^84715121141 is an apocalyptic number.

It is an amenable number.

84715121141 is a deficient number, since it is larger than the sum of its proper divisors (12102160171).

84715121141 is a wasteful number, since it uses less digits than its factorization.

84715121141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12102160170.

The product of its digits is 8960, while the sum is 35.

Adding to 84715121141 its reverse (14112151748), we get a palindrome (98827272889).

The spelling of 84715121141 in words is "eighty-four billion, seven hundred fifteen million, one hundred twenty-one thousand, one hundred forty-one".