4878998434 has 4 divisors (see below), whose sum is σ = 7318497654. Its totient is φ = 2439499216.

The previous prime is 4878998407. The next prime is 4878998437. The reversal of 4878998434 is 4348998784.

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., 4823719209 + 55279225 = 69453^2 + 7435^2 .

It is not an unprimeable number, because it can be changed into a prime (4878998437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219749607 + ... + 1219749610.

Almost surely, 2^4878998434 is an apocalyptic number.

4878998434 is a deficient number, since it is larger than the sum of its proper divisors (2439499220).

4878998434 is a wasteful number, since it uses less digits than its factorization.

4878998434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439499219.

The product of its digits is 55738368, while the sum is 64.

The square root of 4878998434 is about 69849.8277306394. The cubic root of 4878998434 is about 1696.0691686758.

The spelling of 4878998434 in words is "four billion, eight hundred seventy-eight million, nine hundred ninety-eight thousand, four hundred thirty-four".