86973991013 has 8 divisors (see below), whose sum is σ = 107044912128. Its totient is φ = 68814586224.

The previous prime is 86973990997. The next prime is 86973991037. The reversal of 86973991013 is 31019937968.

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 86973991013 - 2⁴ = 86973990997 is a prime.

It is a super-2 number, since 2×86973991013² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86973991013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86973991043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477878981 + ... + 477879162.

It is an arithmetic number, because the mean of its divisors is an integer number (13380614016).

Almost surely, 2^86973991013 is an apocalyptic number.

It is an amenable number.

86973991013 is a deficient number, since it is larger than the sum of its proper divisors (20070921115).

86973991013 is a wasteful number, since it uses less digits than its factorization.

86973991013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955758163.

The product of its (nonzero) digits is 2204496, while the sum is 56.

The spelling of 86973991013 in words is "eighty-six billion, nine hundred seventy-three million, nine hundred ninety-one thousand, thirteen".