67709760607 has 4 divisors (see below), whose sum is σ = 68342562216. Its totient is φ = 67076959000.

The previous prime is 67709760589. The next prime is 67709760617. The reversal of 67709760607 is 70606790776.

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

It is a cyclic number.

It is not a de Polignac number, because 67709760607 - 2¹¹ = 67709758559 is a prime.

It is a super-2 number, since 2×67709760607² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67709760617) 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, 316400644 + ... + 316400857.

It is an arithmetic number, because the mean of its divisors is an integer number (17085640554).

Almost surely, 2^67709760607 is an apocalyptic number.

67709760607 is a deficient number, since it is larger than the sum of its proper divisors (632801609).

67709760607 is a wasteful number, since it uses less digits than its factorization.

67709760607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632801608.

The product of its (nonzero) digits is 4667544, while the sum is 55.

The spelling of 67709760607 in words is "sixty-seven billion, seven hundred nine million, seven hundred sixty thousand, six hundred seven".