688370463 has 24 divisors (see below), whose sum is σ = 1089518976. Its totient is φ = 415342800.

The previous prime is 688370461. The next prime is 688370467. The reversal of 688370463 is 364073886.

It is not a de Polignac number, because 688370463 - 2¹ = 688370461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688370461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7158 + ... + 37788.

It is an arithmetic number, because the mean of its divisors is an integer number (45396624).

Almost surely, 2^688370463 is an apocalyptic number.

688370463 is a deficient number, since it is larger than the sum of its proper divisors (401148513).

688370463 is a wasteful number, since it uses less digits than its factorization.

688370463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30875 (or 30872 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 688370463 is about 26236.8150315544. The cubic root of 688370463 is about 882.9594161420.

The spelling of 688370463 in words is "six hundred eighty-eight million, three hundred seventy thousand, four hundred sixty-three".