453897478 has 4 divisors (see below), whose sum is σ = 680846220. Its totient is φ = 226948738.

The previous prime is 453897469. The next prime is 453897487. The reversal of 453897478 is 874798354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 874798354 = 2 ⋅437399177.

It is an interprime number because it is at equal distance from previous prime (453897469) and next prime (453897487).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113474368 + ... + 113474371.

It is an arithmetic number, because the mean of its divisors is an integer number (170211555).

Almost surely, 2^453897478 is an apocalyptic number.

453897478 is a deficient number, since it is larger than the sum of its proper divisors (226948742).

453897478 is a wasteful number, since it uses less digits than its factorization.

453897478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226948741.

The product of its digits is 6773760, while the sum is 55.

The square root of 453897478 is about 21304.8698188935. The cubic root of 453897478 is about 768.5154270713.

The spelling of 453897478 in words is "four hundred fifty-three million, eight hundred ninety-seven thousand, four hundred seventy-eight".