5125399787 has 8 divisors (see below), whose sum is σ = 5520768000. Its totient is φ = 4744408680.

The previous prime is 5125399757. The next prime is 5125399813. The reversal of 5125399787 is 7879935215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5125399787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125399757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593537 + ... + 3594962.

It is an arithmetic number, because the mean of its divisors is an integer number (690096000).

Almost surely, 2^5125399787 is an apocalyptic number.

5125399787 is a deficient number, since it is larger than the sum of its proper divisors (395368213).

5125399787 is a wasteful number, since it uses less digits than its factorization.

5125399787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188553.

The product of its digits is 4762800, while the sum is 56.

The square root of 5125399787 is about 71591.8974954568. The cubic root of 5125399787 is about 1724.1534499989.

The spelling of 5125399787 in words is "five billion, one hundred twenty-five million, three hundred ninety-nine thousand, seven hundred eighty-seven".