5009825978 has 4 divisors (see below), whose sum is σ = 7514738970. Its totient is φ = 2504912988.

The previous prime is 5009825971. The next prime is 5009825987. The reversal of 5009825978 is 8795289005.

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., 4677602449 + 332223529 = 68393^2 + 18227^2 .

It is not an unprimeable number, because it can be changed into a prime (5009825971) 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, 1252456493 + ... + 1252456496.

Almost surely, 2^5009825978 is an apocalyptic number.

5009825978 is a deficient number, since it is larger than the sum of its proper divisors (2504912992).

5009825978 is a wasteful number, since it uses less digits than its factorization.

5009825978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504912991.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The square root of 5009825978 is about 70780.1241733864. The cubic root of 5009825978 is about 1711.0953594438.

The spelling of 5009825978 in words is "five billion, nine million, eight hundred twenty-five thousand, nine hundred seventy-eight".