869230655 has 16 divisors (see below), whose sum is σ = 1105125120. Its totient is φ = 654070272.

The previous prime is 869230619. The next prime is 869230673. The reversal of 869230655 is 556032968.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 869230655 - 2⁶ = 869230591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267581 + ... + 270809.

It is an arithmetic number, because the mean of its divisors is an integer number (69070320).

Almost surely, 2^869230655 is an apocalyptic number.

869230655 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

869230655 is a deficient number, since it is larger than the sum of its proper divisors (235894465).

869230655 is a wasteful number, since it uses less digits than its factorization.

869230655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 869230655 is about 29482.7179038840. The cubic root of 869230655 is about 954.3587903546.

The spelling of 869230655 in words is "eight hundred sixty-nine million, two hundred thirty thousand, six hundred fifty-five".