87262993671812 has 12 divisors (see below), whose sum is σ = 174525987343680. Its totient is φ = 37398425859336.

The previous prime is 87262993671809. The next prime is 87262993671859. The reversal of 87262993671812 is 21817639926278.

87262993671812 is an admirable number.

It is a super-2 number, since 2×87262993671812² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (71) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558267744112 + ... + 1558267744167.

It is an arithmetic number, because the mean of its divisors is an integer number (14543832278640).

Almost surely, 2^{87262993671812} is an apocalyptic number.

It is an amenable number.

87262993671812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87262993671812 is a wasteful number, since it uses less digits than its factorization.

87262993671812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116535488290 (or 3116535488288 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 71.

The spelling of 87262993671812 in words is "eighty-seven trillion, two hundred sixty-two billion, nine hundred ninety-three million, six hundred seventy-one thousand, eight hundred twelve".