687076311 has 8 divisors (see below), whose sum is σ = 916330240. Its totient is φ = 457936632.

The previous prime is 687076289. The next prime is 687076373. The reversal of 687076311 is 113670786.

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

It is not a de Polignac number, because 687076311 - 2⁵ = 687076279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 687076311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687076391) 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, 13375 + ... + 39408.

It is an arithmetic number, because the mean of its divisors is an integer number (114541280).

Almost surely, 2^687076311 is an apocalyptic number.

687076311 is a deficient number, since it is larger than the sum of its proper divisors (229253929).

687076311 is a wasteful number, since it uses less digits than its factorization.

687076311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57125.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 687076311 is about 26212.1405268627. The cubic root of 687076311 is about 882.4057411491.

The spelling of 687076311 in words is "six hundred eighty-seven million, seventy-six thousand, three hundred eleven".