456780447 has 12 divisors (see below), whose sum is σ = 672243624. Its totient is φ = 298774320.

The previous prime is 456780433. The next prime is 456780461. The reversal of 456780447 is 744087654.

456780447 is a `hidden beast` number, since 4 + 567 + 80 + 4 + 4 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (456780433) and next prime (456780461).

It is not a de Polignac number, because 456780447 - 2²⁸ = 188344991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456780407) 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 11 ways as a sum of consecutive naturals, for example, 478329 + ... + 479282.

It is an arithmetic number, because the mean of its divisors is an integer number (56020302).

Almost surely, 2^456780447 is an apocalyptic number.

456780447 is a deficient number, since it is larger than the sum of its proper divisors (215463177).

456780447 is a wasteful number, since it uses less digits than its factorization.

456780447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957670 (or 957667 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 456780447 is about 21372.4225814483. The cubic root of 456780447 is about 770.1390916439.

The spelling of 456780447 in words is "four hundred fifty-six million, seven hundred eighty thousand, four hundred forty-seven".