956255647 has 4 divisors (see below), whose sum is σ = 959330736. Its totient is φ = 953180560.

The previous prime is 956255609. The next prime is 956255687. The reversal of 956255647 is 746552659.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 956255647 - 2¹⁵ = 956222879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 956255647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (956255687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537078 + ... + 1537699.

It is an arithmetic number, because the mean of its divisors is an integer number (239832684).

Almost surely, 2^956255647 is an apocalyptic number.

956255647 is a deficient number, since it is larger than the sum of its proper divisors (3075089).

956255647 is a wasteful number, since it uses less digits than its factorization.

956255647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075088.

The product of its digits is 2268000, while the sum is 49.

The square root of 956255647 is about 30923.3834985760. The cubic root of 956255647 is about 985.2006074443.

The spelling of 956255647 in words is "nine hundred fifty-six million, two hundred fifty-five thousand, six hundred forty-seven".