5078801987 has 16 divisors (see below), whose sum is σ = 6017976000. Its totient is φ = 4193710080.

The previous prime is 5078801977. The next prime is 5078802019. The reversal of 5078801987 is 7891088705.

It is a happy number.

It is not a de Polignac number, because 5078801987 - 2¹² = 5078797891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5078801927) 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 in 15 ways as a sum of consecutive naturals, for example, 63287 + ... + 119007.

It is an arithmetic number, because the mean of its divisors is an integer number (376123500).

Almost surely, 2^5078801987 is an apocalyptic number.

5078801987 is a deficient number, since it is larger than the sum of its proper divisors (939174013).

5078801987 is a wasteful number, since it uses less digits than its factorization.

5078801987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56206.

The product of its (nonzero) digits is 1128960, while the sum is 53.

The square root of 5078801987 is about 71265.7139654126. The cubic root of 5078801987 is about 1718.9124622946.

The spelling of 5078801987 in words is "five billion, seventy-eight million, eight hundred one thousand, nine hundred eighty-seven".