8315448771 has 32 divisors (see below), whose sum is σ = 12763127808. Its totient is φ = 4717301760.

The previous prime is 8315448767. The next prime is 8315448793. The reversal of 8315448771 is 1778445138.

It is not a de Polignac number, because 8315448771 - 2² = 8315448767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8315448771.

It is not an unprimeable number, because it can be changed into a prime (8315448721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2312551 + ... + 2316143.

It is an arithmetic number, because the mean of its divisors is an integer number (398847744).

Almost surely, 2^8315448771 is an apocalyptic number.

8315448771 is a deficient number, since it is larger than the sum of its proper divisors (4447679037).

8315448771 is a wasteful number, since it uses less digits than its factorization.

8315448771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371.

The product of its digits is 752640, while the sum is 48.

The square root of 8315448771 is about 91189.0825208808. The cubic root of 8315448771 is about 2025.9492594423.

The spelling of 8315448771 in words is "eight billion, three hundred fifteen million, four hundred forty-eight thousand, seven hundred seventy-one".