67700967431 has 2 divisors, whose sum is σ = 67700967432. Its totient is φ = 67700967430.

The previous prime is 67700967427. The next prime is 67700967491. The reversal of 67700967431 is 13476900776.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67700967431 - 2² = 67700967427 is a prime.

It is a super-2 number, since 2×67700967431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67700967431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67700967491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33850483715 + 33850483716.

It is an arithmetic number, because the mean of its divisors is an integer number (33850483716).

Almost surely, 2^67700967431 is an apocalyptic number.

67700967431 is a deficient number, since it is larger than the sum of its proper divisors (1).

67700967431 is an equidigital number, since it uses as much as digits as its factorization.

67700967431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 67700967431 in words is "sixty-seven billion, seven hundred million, nine hundred sixty-seven thousand, four hundred thirty-one".