434798878 has 4 divisors (see below), whose sum is σ = 652198320. Its totient is φ = 217399438.

The previous prime is 434798797. The next prime is 434798899. The reversal of 434798878 is 878897434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 878897434 = 2 ⋅439448717.

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, 108699718 + ... + 108699721.

It is an arithmetic number, because the mean of its divisors is an integer number (163049580).

Almost surely, 2^434798878 is an apocalyptic number.

434798878 is a deficient number, since it is larger than the sum of its proper divisors (217399442).

434798878 is a wasteful number, since it uses less digits than its factorization.

434798878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217399441.

The product of its digits is 10838016, while the sum is 58.

The square root of 434798878 is about 20851.8315262713. The cubic root of 434798878 is about 757.5816933464.

The spelling of 434798878 in words is "four hundred thirty-four million, seven hundred ninety-eight thousand, eight hundred seventy-eight".