687051153 has 28 divisors (see below), whose sum is σ = 1084343440. Its totient is φ = 433918296.

The previous prime is 687051091. The next prime is 687051161. The reversal of 687051153 is 351150786.

It is not a de Polignac number, because 687051153 - 2¹² = 687047057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (687051163) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10951 + ... + 38652.

Almost surely, 2^687051153 is an apocalyptic number.

It is an amenable number.

687051153 is a deficient number, since it is larger than the sum of its proper divisors (397292287).

687051153 is an equidigital number, since it uses as much as digits as its factorization.

687051153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49640 (or 49625 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 687051153 is about 26211.6606303378. The cubic root of 687051153 is about 882.3949709556.

The spelling of 687051153 in words is "six hundred eighty-seven million, fifty-one thousand, one hundred fifty-three".