655849047 has 16 divisors (see below), whose sum is σ = 999814400. Its totient is φ = 374611392.

The previous prime is 655849043. The next prime is 655849057. The reversal of 655849047 is 740948556.

It is not a de Polignac number, because 655849047 - 2² = 655849043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655848987 and 655849005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655849043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58908 + ... + 69150.

It is an arithmetic number, because the mean of its divisors is an integer number (62488400).

Almost surely, 2^655849047 is an apocalyptic number.

655849047 is a deficient number, since it is larger than the sum of its proper divisors (343965353).

655849047 is a wasteful number, since it uses less digits than its factorization.

655849047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13302.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 655849047 is about 25609.5499179505. The cubic root of 655849047 is about 868.8296444278.

The spelling of 655849047 in words is "six hundred fifty-five million, eight hundred forty-nine thousand, forty-seven".