67927976419 has 2 divisors, whose sum is σ = 67927976420. Its totient is φ = 67927976418.

The previous prime is 67927976399. The next prime is 67927976447. The reversal of 67927976419 is 91467972976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67927976419 - 2¹⁷ = 67927845347 is a prime.

It is a super-2 number, since 2×67927976419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67927976489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33963988209 + 33963988210.

It is an arithmetic number, because the mean of its divisors is an integer number (33963988210).

Almost surely, 2^67927976419 is an apocalyptic number.

67927976419 is a deficient number, since it is larger than the sum of its proper divisors (1).

67927976419 is an equidigital number, since it uses as much as digits as its factorization.

67927976419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72013536, while the sum is 67.

The spelling of 67927976419 in words is "sixty-seven billion, nine hundred twenty-seven million, nine hundred seventy-six thousand, four hundred nineteen".