460257778 has 4 divisors (see below), whose sum is σ = 690386670. Its totient is φ = 230128888.

The previous prime is 460257769. The next prime is 460257797. The reversal of 460257778 is 877752064.

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

It can be written as a sum of positive squares in only one way, i.e., 460231209 + 26569 = 21453^2 + 163^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115064443 + ... + 115064446.

Almost surely, 2^460257778 is an apocalyptic number.

460257778 is a deficient number, since it is larger than the sum of its proper divisors (230128892).

460257778 is a wasteful number, since it uses less digits than its factorization.

460257778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230128891.

The product of its (nonzero) digits is 658560, while the sum is 46.

The square root of 460257778 is about 21453.6192284659. The cubic root of 460257778 is about 772.0884318414.

The spelling of 460257778 in words is "four hundred sixty million, two hundred fifty-seven thousand, seven hundred seventy-eight".