67387793047 has 2 divisors, whose sum is σ = 67387793048. Its totient is φ = 67387793046.

The previous prime is 67387793041. The next prime is 67387793071. The reversal of 67387793047 is 74039778376.

67387793047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67387793047 - 2¹⁹ = 67387268759 is a prime.

It is a super-2 number, since 2×67387793047² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67387793041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33693896523 + 33693896524.

It is an arithmetic number, because the mean of its divisors is an integer number (33693896524).

Almost surely, 2^67387793047 is an apocalyptic number.

67387793047 is a deficient number, since it is larger than the sum of its proper divisors (1).

67387793047 is an equidigital number, since it uses as much as digits as its factorization.

67387793047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37340352, while the sum is 61.

The spelling of 67387793047 in words is "sixty-seven billion, three hundred eighty-seven million, seven hundred ninety-three thousand, forty-seven".