687058485 has 32 divisors (see below), whose sum is σ = 1168110720. Its totient is φ = 344839424.

The previous prime is 687058483. The next prime is 687058511. The reversal of 687058485 is 584850786.

It is not a de Polignac number, because 687058485 - 2¹ = 687058483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687058483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69034 + ... + 78356.

It is an arithmetic number, because the mean of its divisors is an integer number (36503460).

Almost surely, 2^687058485 is an apocalyptic number.

It is an amenable number.

687058485 is a deficient number, since it is larger than the sum of its proper divisors (481052235).

687058485 is an equidigital number, since it uses as much as digits as its factorization.

687058485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382 (or 9348 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The square root of 687058485 is about 26211.8004913817. The cubic root of 687058485 is about 882.3981098276.

The spelling of 687058485 in words is "six hundred eighty-seven million, fifty-eight thousand, four hundred eighty-five".