956078649 has 12 divisors (see below), whose sum is σ = 1393225236. Its totient is φ = 631744512.

The previous prime is 956078647. The next prime is 956078659. The reversal of 956078649 is 946870659.

956078649 is a `hidden beast` number, since 9 + 560 + 78 + 6 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 81812025 + 874266624 = 9045^2 + 29568^2 .

It is not a de Polignac number, because 956078649 - 2¹ = 956078647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 956078595 and 956078604.

It is not an unprimeable number, because it can be changed into a prime (956078647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469032 + ... + 471065.

It is an arithmetic number, because the mean of its divisors is an integer number (116102103).

Almost surely, 2^956078649 is an apocalyptic number.

It is an amenable number.

956078649 is a deficient number, since it is larger than the sum of its proper divisors (437146587).

956078649 is a wasteful number, since it uses less digits than its factorization.

956078649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940216 (or 940213 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 956078649 is about 30920.5214865468. The cubic root of 956078649 is about 985.1398185058.

It can be divided in two parts, 9560 and 78649, that added together give a square (88209 = 297²).

The spelling of 956078649 in words is "nine hundred fifty-six million, seventy-eight thousand, six hundred forty-nine".