86973991014 has 24 divisors (see below), whose sum is σ = 178200092952. Its totient is φ = 28282720480.

The previous prime is 86973990997. The next prime is 86973991037. The reversal of 86973991014 is 41019937968.

It is a super-2 number, since 2×86973991014² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4616137 + ... + 4634939.

It is an arithmetic number, because the mean of its divisors is an integer number (7425003873).

Almost surely, 2^86973991014 is an apocalyptic number.

86973991014 is an abundant number, since it is smaller than the sum of its proper divisors (91226101938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86973991014 is an frugal number, since it uses more digits than its factorization.

86973991014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37652 (or 18849 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 57.

The spelling of 86973991014 in words is "eighty-six billion, nine hundred seventy-three million, nine hundred ninety-one thousand, fourteen".