655674899 has 8 divisors (see below), whose sum is σ = 719566848. Its totient is φ = 592497160.

The previous prime is 655674889. The next prime is 655674907. The reversal of 655674899 is 998476556.

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

It is a cyclic number.

It is not a de Polignac number, because 655674899 - 2⁴ = 655674883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655674889) 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, 176627 + ... + 180300.

It is an arithmetic number, because the mean of its divisors is an integer number (89945856).

Almost surely, 2^655674899 is an apocalyptic number.

655674899 is a deficient number, since it is larger than the sum of its proper divisors (63891949).

655674899 is a wasteful number, since it uses less digits than its factorization.

655674899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357105.

The product of its digits is 16329600, while the sum is 59.

The square root of 655674899 is about 25606.1496324613. The cubic root of 655674899 is about 868.7527373307.

The spelling of 655674899 in words is "six hundred fifty-five million, six hundred seventy-four thousand, eight hundred ninety-nine".