8277997947 has 8 divisors (see below), whose sum is σ = 11135006544. Its totient is φ = 5469827328.

The previous prime is 8277997939. The next prime is 8277997951. The reversal of 8277997947 is 7497997728.

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

It is not a de Polignac number, because 8277997947 - 2³ = 8277997939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8277997967) 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, 12209098 + ... + 12209775.

It is an arithmetic number, because the mean of its divisors is an integer number (1391875818).

Almost surely, 2^8277997947 is an apocalyptic number.

8277997947 is a deficient number, since it is larger than the sum of its proper divisors (2857008597).

8277997947 is a wasteful number, since it uses less digits than its factorization.

8277997947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24418989.

The product of its digits is 112021056, while the sum is 69.

The square root of 8277997947 is about 90983.5037080899. The cubic root of 8277997947 is about 2022.9032157664.

The spelling of 8277997947 in words is "eight billion, two hundred seventy-seven million, nine hundred ninety-seven thousand, nine hundred forty-seven".