687148063 has 8 divisors (see below), whose sum is σ = 786726432. Its totient is φ = 587923296.

The previous prime is 687148061. The next prime is 687148067. The reversal of 687148063 is 360841786.

687148063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 687148063 - 2¹ = 687148061 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 (687148061) 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, 84220 + ... + 92017.

It is an arithmetic number, because the mean of its divisors is an integer number (98340804).

Almost surely, 2^687148063 is an apocalyptic number.

687148063 is a deficient number, since it is larger than the sum of its proper divisors (99578369).

687148063 is a wasteful number, since it uses less digits than its factorization.

687148063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176801.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 687148063 is about 26213.5091698918. The cubic root of 687148063 is about 882.4364568896.

The spelling of 687148063 in words is "six hundred eighty-seven million, one hundred forty-eight thousand, sixty-three".