67980627959515 has 8 divisors (see below), whose sum is σ = 84208261730688. Its totient is φ = 52630163581440.

The previous prime is 67980627959507. The next prime is 67980627959521. The reversal of 67980627959515 is 51595972608976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67980627959515 - 2³ = 67980627959507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219292348102 + ... + 219292348411.

It is an arithmetic number, because the mean of its divisors is an integer number (10526032716336).

Almost surely, 2^{67980627959515} is an apocalyptic number.

67980627959515 is a deficient number, since it is larger than the sum of its proper divisors (16227633771173).

67980627959515 is a wasteful number, since it uses less digits than its factorization.

67980627959515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438584696549.

The product of its (nonzero) digits is 2571912000, while the sum is 79.

The spelling of 67980627959515 in words is "sixty-seven trillion, nine hundred eighty billion, six hundred twenty-seven million, nine hundred fifty-nine thousand, five hundred fifteen".