456878473 has 2 divisors, whose sum is σ = 456878474. Its totient is φ = 456878472.

The previous prime is 456878467. The next prime is 456878489. The reversal of 456878473 is 374878654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382280704 + 74597769 = 19552^2 + 8637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456878473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 456878473.

It is not a weakly prime, because it can be changed into another prime (456878273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228439236 + 228439237.

It is an arithmetic number, because the mean of its divisors is an integer number (228439237).

Almost surely, 2^456878473 is an apocalyptic number.

It is an amenable number.

456878473 is a deficient number, since it is larger than the sum of its proper divisors (1).

456878473 is an equidigital number, since it uses as much as digits as its factorization.

456878473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 52.

The square root of 456878473 is about 21374.7157407999. The cubic root of 456878473 is about 770.1941788346.

The spelling of 456878473 in words is "four hundred fifty-six million, eight hundred seventy-eight thousand, four hundred seventy-three".