688463306677 has 16 divisors (see below), whose sum is σ = 697352587200. Its totient is φ = 679621662720.

The previous prime is 688463306627. The next prime is 688463306693. The reversal of 688463306677 is 776603364886.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 688463306677 - 2¹⁹ = 688462782389 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 (688463306617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95232699 + ... + 95239927.

It is an arithmetic number, because the mean of its divisors is an integer number (43584536700).

Almost surely, 2^688463306677 is an apocalyptic number.

It is an amenable number.

688463306677 is a deficient number, since it is larger than the sum of its proper divisors (8889280523).

688463306677 is a wasteful number, since it uses less digits than its factorization.

688463306677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356.

The product of its (nonzero) digits is 146313216, while the sum is 64.

The spelling of 688463306677 in words is "six hundred eighty-eight billion, four hundred sixty-three million, three hundred six thousand, six hundred seventy-seven".