6198727825 has 6 divisors (see below), whose sum is σ = 7686422534. Its totient is φ = 4958982240.

The previous prime is 6198727813. The next prime is 6198727859. The reversal of 6198727825 is 5287278916.

It is a Cunningham number, because it is equal to 78732²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 6198727824 = 1^2 + 78732^2 .

It is not a de Polignac number, because 6198727825 - 2²⁵ = 6165173393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123974532 + ... + 123974581.

Almost surely, 2^6198727825 is an apocalyptic number.

It is an amenable number.

6198727825 is a deficient number, since it is larger than the sum of its proper divisors (1487694709).

6198727825 is a wasteful number, since it uses less digits than its factorization.

6198727825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247949123 (or 247949118 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 6198727825 is about 78732.0000063507. Note that the first 5 decimals coincide. The cubic root of 6198727825 is about 1836.9648908455.

The spelling of 6198727825 in words is "six billion, one hundred ninety-eight million, seven hundred twenty-seven thousand, eight hundred twenty-five".