868025553 has 8 divisors (see below), whose sum is σ = 1173222048. Its totient is φ = 570756384.

The previous prime is 868025551. The next prime is 868025581. The reversal of 868025553 is 355520868.

868025553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 868025553 - 2¹ = 868025551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868025551) 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, 1981575 + ... + 1982012.

It is an arithmetic number, because the mean of its divisors is an integer number (146652756).

Almost surely, 2^868025553 is an apocalyptic number.

It is an amenable number.

868025553 is a deficient number, since it is larger than the sum of its proper divisors (305196495).

868025553 is a wasteful number, since it uses less digits than its factorization.

868025553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963663.

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 868025553 is about 29462.2733847882. The cubic root of 868025553 is about 953.9175451416.

The spelling of 868025553 in words is "eight hundred sixty-eight million, twenty-five thousand, five hundred fifty-three".