67780067675 has 6 divisors (see below), whose sum is σ = 84047283948. Its totient is φ = 54224054120.

The previous prime is 67780067671. The next prime is 67780067683. The reversal of 67780067675 is 57676008776.

It is not a de Polignac number, because 67780067675 - 2² = 67780067671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67780067671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1355601329 + ... + 1355601378.

It is an arithmetic number, because the mean of its divisors is an integer number (14007880658).

Almost surely, 2^67780067675 is an apocalyptic number.

67780067675 is a deficient number, since it is larger than the sum of its proper divisors (16267216273).

67780067675 is a wasteful number, since it uses less digits than its factorization.

67780067675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711202717 (or 2711202712 counting only the distinct ones).

The product of its (nonzero) digits is 20744640, while the sum is 59.

The spelling of 67780067675 in words is "sixty-seven billion, seven hundred eighty million, sixty-seven thousand, six hundred seventy-five".