84071736013 has 4 divisors (see below), whose sum is σ = 84857453280. Its totient is φ = 83286018748.

The previous prime is 84071735989. The next prime is 84071736017. The reversal of 84071736013 is 31063717048.

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 a de Polignac number, because none of the positive numbers 2^k-84071736013 is a prime.

It is a super-2 number, since 2×84071736013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84071736017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392858473 + ... + 392858686.

It is an arithmetic number, because the mean of its divisors is an integer number (21214363320).

Almost surely, 2^84071736013 is an apocalyptic number.

It is an amenable number.

84071736013 is a deficient number, since it is larger than the sum of its proper divisors (785717267).

84071736013 is a wasteful number, since it uses less digits than its factorization.

84071736013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785717266.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 84071736013 in words is "eighty-four billion, seventy-one million, seven hundred thirty-six thousand, thirteen".