4998152578 has 12 divisors (see below), whose sum is σ = 7912588950. Its totient is φ = 2367545616.

The previous prime is 4998152573. The next prime is 4998152591. The reversal of 4998152578 is 8752518994.

It can be written as a sum of positive squares in only one way, i.e., 3643691769 + 1354460809 = 60363^2 + 36803^2 .

It is not an unprimeable number, because it can be changed into a prime (4998152573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3460603 + ... + 3462046.

Almost surely, 2^4998152578 is an apocalyptic number.

4998152578 is a deficient number, since it is larger than the sum of its proper divisors (2914436372).

4998152578 is a wasteful number, since it uses less digits than its factorization.

4998152578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922689 (or 6922670 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 58.

The square root of 4998152578 is about 70697.6136655262. The cubic root of 4998152578 is about 1709.7653175876.

The spelling of 4998152578 in words is "four billion, nine hundred ninety-eight million, one hundred fifty-two thousand, five hundred seventy-eight".