963278461 has 4 divisors (see below), whose sum is σ = 989313052. Its totient is φ = 937243872.

The previous prime is 963278447. The next prime is 963278527. The reversal of 963278461 is 164872369.

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

It can be written as a sum of positive squares in 2 ways, for example, as 457703236 + 505575225 = 21394^2 + 22485^2 .

It is a cyclic number.

It is not a de Polignac number, because 963278461 - 2⁷ = 963278333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (963278161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13017240 + ... + 13017313.

It is an arithmetic number, because the mean of its divisors is an integer number (247328263).

Almost surely, 2^963278461 is an apocalyptic number.

It is an amenable number.

963278461 is a deficient number, since it is larger than the sum of its proper divisors (26034591).

963278461 is a wasteful number, since it uses less digits than its factorization.

963278461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26034590.

The product of its digits is 435456, while the sum is 46.

The square root of 963278461 is about 31036.7276142315. The cubic root of 963278461 is about 987.6065232735.

The spelling of 963278461 in words is "nine hundred sixty-three million, two hundred seventy-eight thousand, four hundred sixty-one".