867616253 has 16 divisors (see below), whose sum is σ = 1003535616. Its totient is φ = 734745600.

The previous prime is 867616231. The next prime is 867616271. The reversal of 867616253 is 352616768.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-867616253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867616213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201875 + ... + 206127.

It is an arithmetic number, because the mean of its divisors is an integer number (62720976).

Almost surely, 2^867616253 is an apocalyptic number.

It is an amenable number.

867616253 is a deficient number, since it is larger than the sum of its proper divisors (135919363).

867616253 is a wasteful number, since it uses less digits than its factorization.

867616253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604.

The product of its digits is 362880, while the sum is 44.

The square root of 867616253 is about 29455.3263943892. The cubic root of 867616253 is about 953.7675880220.

The spelling of 867616253 in words is "eight hundred sixty-seven million, six hundred sixteen thousand, two hundred fifty-three".