60668687 has 4 divisors (see below), whose sum is σ = 63306480. Its totient is φ = 58030896.

The previous prime is 60668677. The next prime is 60668689. The reversal of 60668687 is 78686606.

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 60668687 - 2¹⁴ = 60652303 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 (60668689) 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 in 3 ways as a sum of consecutive naturals, for example, 1318862 + ... + 1318907.

It is an arithmetic number, because the mean of its divisors is an integer number (15826620).

Almost surely, 2^60668687 is an apocalyptic number.

60668687 is a deficient number, since it is larger than the sum of its proper divisors (2637793).

60668687 is a wasteful number, since it uses less digits than its factorization.

60668687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637792.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 60668687 is about 7789.0106560461. The cubic root of 60668687 is about 392.9357395898.

The spelling of 60668687 in words is "sixty million, six hundred sixty-eight thousand, six hundred eighty-seven".