6157747908 has 144 divisors (see below), whose sum is σ = 16999929856. Its totient is φ = 1868106240.

The previous prime is 6157747873. The next prime is 6157747909. The reversal of 6157747908 is 8097477516.

6157747908 is a `hidden beast` number, since 61 + 577 + 4 + 7 + 9 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (6157747909) 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 47 ways as a sum of consecutive naturals, for example, 18603303 + ... + 18603633.

Almost surely, 2^6157747908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6157747908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8499964928).

6157747908 is an abundant number, since it is smaller than the sum of its proper divisors (10842181948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6157747908 is a wasteful number, since it uses less digits than its factorization.

6157747908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The square root of 6157747908 is about 78471.3190152937. The cubic root of 6157747908 is about 1832.9078664327.

The spelling of 6157747908 in words is "six billion, one hundred fifty-seven million, seven hundred forty-seven thousand, nine hundred eight".