5127813898 has 32 divisors (see below), whose sum is σ = 8398526400. Its totient is φ = 2339922816.

The previous prime is 5127813893. The next prime is 5127813907. The reversal of 5127813898 is 8983187215.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5127813893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97788 + ... + 140776.

It is an arithmetic number, because the mean of its divisors is an integer number (262453950).

Almost surely, 2^5127813898 is an apocalyptic number.

5127813898 is a deficient number, since it is larger than the sum of its proper divisors (3270712502).

5127813898 is a wasteful number, since it uses less digits than its factorization.

5127813898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43126.

The product of its digits is 967680, while the sum is 52.

The square root of 5127813898 is about 71608.7557355942. The cubic root of 5127813898 is about 1724.4241049500.

It can be divided in two parts, 5127 and 813898, that added together give a square (819025 = 905²).

The spelling of 5127813898 in words is "five billion, one hundred twenty-seven million, eight hundred thirteen thousand, eight hundred ninety-eight".