5287129798 has 16 divisors (see below), whose sum is σ = 8114178240. Its totient is φ = 2582821696.

The previous prime is 5287129789. The next prime is 5287129811. The reversal of 5287129798 is 8979217825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79015 + ... + 129682.

It is an arithmetic number, because the mean of its divisors is an integer number (507136140).

Almost surely, 2^5287129798 is an apocalyptic number.

5287129798 is a deficient number, since it is larger than the sum of its proper divisors (2827048442).

5287129798 is a wasteful number, since it uses less digits than its factorization.

5287129798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208991.

The product of its digits is 5080320, while the sum is 58.

The square root of 5287129798 is about 72712.6522552987. The cubic root of 5287129798 is about 1742.1009762538.

The spelling of 5287129798 in words is "five billion, two hundred eighty-seven million, one hundred twenty-nine thousand, seven hundred ninety-eight".