8315777332 has 6 divisors (see below), whose sum is σ = 14552610338. Its totient is φ = 4157888664.

The previous prime is 8315777279. The next prime is 8315777333. The reversal of 8315777332 is 2337775138.

It can be written as a sum of positive squares in only one way, i.e., 4277683216 + 4038094116 = 65404^2 + 63546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8315777333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039472163 + ... + 1039472170.

Almost surely, 2^8315777332 is an apocalyptic number.

It is an amenable number.

8315777332 is a deficient number, since it is larger than the sum of its proper divisors (6236833006).

8315777332 is a wasteful number, since it uses less digits than its factorization.

8315777332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078944337 (or 2078944335 counting only the distinct ones).

The product of its digits is 740880, while the sum is 46.

The square root of 8315777332 is about 91190.8840400179. The cubic root of 8315777332 is about 2025.9759422735.

The spelling of 8315777332 in words is "eight billion, three hundred fifteen million, seven hundred seventy-seven thousand, three hundred thirty-two".