67993555539976 has 64 divisors (see below), whose sum is σ = 139680531129600. Its totient is φ = 30772243891200.

The previous prime is 67993555539953. The next prime is 67993555540003.

67993555539976 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (88).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142379616 + ... + 142856368.

It is an arithmetic number, because the mean of its divisors is an integer number (2182508298900).

Almost surely, 2^{67993555539976} is an apocalyptic number.

It is an amenable number.

67993555539976 is an abundant number, since it is smaller than the sum of its proper divisors (71686975589624).

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

67993555539976 is a wasteful number, since it uses less digits than its factorization.

67993555539976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483790 (or 483786 counting only the distinct ones).

The product of its digits is 65101522500, while the sum is 88.

The spelling of 67993555539976 in words is "sixty-seven trillion, nine hundred ninety-three billion, five hundred fifty-five million, five hundred thirty-nine thousand, nine hundred seventy-six".