688362961807 has 8 divisors (see below), whose sum is σ = 690928100784. Its totient is φ = 685801298688.

The previous prime is 688362961799. The next prime is 688362961829. The reversal of 688362961807 is 708169263886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 688362961807 - 2³ = 688362961799 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 (688362961837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471808 + ... + 1264645.

It is an arithmetic number, because the mean of its divisors is an integer number (86366012598).

Almost surely, 2^688362961807 is an apocalyptic number.

688362961807 is a deficient number, since it is larger than the sum of its proper divisors (2565138977).

688362961807 is a wasteful number, since it uses less digits than its factorization.

688362961807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737929.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 688362961807 in words is "six hundred eighty-eight billion, three hundred sixty-two million, nine hundred sixty-one thousand, eight hundred seven".