454513878 has 96 divisors (see below), whose sum is σ = 1251274752. Its totient is φ = 115992000.

The previous prime is 454513861. The next prime is 454513889. The reversal of 454513878 is 878315454.

454513878 is a `hidden beast` number, since 4 + 54 + 513 + 87 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46303 + ... + 55253.

It is an arithmetic number, because the mean of its divisors is an integer number (13034112).

Almost surely, 2^454513878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454513878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625637376).

454513878 is an abundant number, since it is smaller than the sum of its proper divisors (796760874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454513878 is a wasteful number, since it uses less digits than its factorization.

454513878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010 (or 9007 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 454513878 is about 21319.3310870674. The cubic root of 454513878 is about 768.8631551063.

The spelling of 454513878 in words is "four hundred fifty-four million, five hundred thirteen thousand, eight hundred seventy-eight".