687148062 has 8 divisors (see below), whose sum is σ = 1374296136. Its totient is φ = 229049352.

The previous prime is 687148061. The next prime is 687148067. The reversal of 687148062 is 260841786.

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

687148062 is an admirable number.

It is a super-2 number, since 2×687148062² = 944344918220711688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 3 ways as a sum of consecutive naturals, for example, 57262333 + ... + 57262344.

It is an arithmetic number, because the mean of its divisors is an integer number (171787017).

Almost surely, 2^687148062 is an apocalyptic number.

687148062 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

687148062 is a wasteful number, since it uses less digits than its factorization.

687148062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114524682.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 687148062 is about 26213.5091508176. The cubic root of 687148062 is about 882.4364564615.

The spelling of 687148062 in words is "six hundred eighty-seven million, one hundred forty-eight thousand, sixty-two".