655611047 has 8 divisors (see below), whose sum is σ = 806906016. Its totient is φ = 518725152.

The previous prime is 655611031. The next prime is 655611071. The reversal of 655611047 is 740116556.

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 655611047 - 2⁴ = 655611031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655610998 and 655611016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655613047) 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, 3602168 + ... + 3602349.

It is an arithmetic number, because the mean of its divisors is an integer number (100863252).

Almost surely, 2^655611047 is an apocalyptic number.

655611047 is a deficient number, since it is larger than the sum of its proper divisors (151294969).

655611047 is a wasteful number, since it uses less digits than its factorization.

655611047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204537.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 655611047 is about 25604.9027922388. The cubic root of 655611047 is about 868.7245356510.

The spelling of 655611047 in words is "six hundred fifty-five million, six hundred eleven thousand, forty-seven".