457467878 has 16 divisors (see below), whose sum is σ = 784753920. Its totient is φ = 195926856.

The previous prime is 457467869. The next prime is 457467911. The reversal of 457467878 is 878764754.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12575 + ... + 32757.

It is an arithmetic number, because the mean of its divisors is an integer number (49047120).

Almost surely, 2^457467878 is an apocalyptic number.

457467878 is a deficient number, since it is larger than the sum of its proper divisors (327286042).

457467878 is a wasteful number, since it uses less digits than its factorization.

457467878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21811.

The product of its digits is 10536960, while the sum is 56.

The square root of 457467878 is about 21388.4987317951. The cubic root of 457467878 is about 770.5252378615.

The spelling of 457467878 in words is "four hundred fifty-seven million, four hundred sixty-seven thousand, eight hundred seventy-eight".