73286808508 has 12 divisors (see below), whose sum is σ = 129450531672. Its totient is φ = 36300942320.

The previous prime is 73286808499. The next prime is 73286808509. The reversal of 73286808508 is 80580868237.

It is a happy number.

It is a super-2 number, since 2×73286808508² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73286808509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85615003 + ... + 85615858.

It is an arithmetic number, because the mean of its divisors is an integer number (10787544306).

Almost surely, 2^73286808508 is an apocalyptic number.

It is an amenable number.

73286808508 is a deficient number, since it is larger than the sum of its proper divisors (56163723164).

73286808508 is a wasteful number, since it uses less digits than its factorization.

73286808508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171230972 (or 171230970 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 73286808508 in words is "seventy-three billion, two hundred eighty-six million, eight hundred eight thousand, five hundred eight".