67748850479 has 4 divisors (see below), whose sum is σ = 67752401376. Its totient is φ = 67745299584.

The previous prime is 67748850461. The next prime is 67748850497. The reversal of 67748850479 is 97405884776.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (67748850461) and next prime (67748850497).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67748850479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67748850179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1746674 + ... + 1785039.

It is an arithmetic number, because the mean of its divisors is an integer number (16938100344).

Almost surely, 2^67748850479 is an apocalyptic number.

67748850479 is a deficient number, since it is larger than the sum of its proper divisors (3550897).

67748850479 is a wasteful number, since it uses less digits than its factorization.

67748850479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550896.

The product of its (nonzero) digits is 94832640, while the sum is 65.

The spelling of 67748850479 in words is "sixty-seven billion, seven hundred forty-eight million, eight hundred fifty thousand, four hundred seventy-nine".