655913895 has 64 divisors (see below), whose sum is σ = 1301314560. Its totient is φ = 274710528.

The previous prime is 655913861. The next prime is 655913899. The reversal of 655913895 is 598319556.

It is not a de Polignac number, because 655913895 - 2⁷ = 655913767 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655913899) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188007 + ... + 191463.

It is an arithmetic number, because the mean of its divisors is an integer number (20333040).

Almost surely, 2^655913895 is an apocalyptic number.

655913895 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

655913895 is a deficient number, since it is larger than the sum of its proper divisors (645400665).

655913895 is a wasteful number, since it uses less digits than its factorization.

655913895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624.

The product of its digits is 1458000, while the sum is 51.

The square root of 655913895 is about 25610.8159768485. The cubic root of 655913895 is about 868.8582790697.

The spelling of 655913895 in words is "six hundred fifty-five million, nine hundred thirteen thousand, eight hundred ninety-five".