6157772847 has 12 divisors (see below), whose sum is σ = 9223989320. Its totient is φ = 4105181736.

The previous prime is 6157772843. The next prime is 6157772857. The reversal of 6157772847 is 7482777516.

6157772847 is a `hidden beast` number, since 6 + 1 + 577 + 7 + 28 + 47 = 666.

It is not a de Polignac number, because 6157772847 - 2² = 6157772843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6157772793 and 6157772802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6157772843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12670072 + ... + 12670557.

Almost surely, 2^6157772847 is an apocalyptic number.

6157772847 is a deficient number, since it is larger than the sum of its proper divisors (3066216473).

6157772847 is an equidigital number, since it uses as much as digits as its factorization.

6157772847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25340644 (or 25340632 counting only the distinct ones).

The product of its digits is 4609920, while the sum is 54.

The square root of 6157772847 is about 78471.4779203247. The cubic root of 6157772847 is about 1832.9103408670.

The spelling of 6157772847 in words is "six billion, one hundred fifty-seven million, seven hundred seventy-two thousand, eight hundred forty-seven".