7982867912 has 8 divisors (see below), whose sum is σ = 14967877350. Its totient is φ = 3991433952.

The previous prime is 7982867911. The next prime is 7982867927. The reversal of 7982867912 is 2197682897.

It can be written as a sum of positive squares in only one way, i.e., 7973418436 + 9449476 = 89294^2 + 3074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7982867911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498929237 + ... + 498929252.

Almost surely, 2^7982867912 is an apocalyptic number.

It is an amenable number.

7982867912 is a deficient number, since it is larger than the sum of its proper divisors (6985009438).

7982867912 is a wasteful number, since it uses less digits than its factorization.

7982867912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997858495 (or 997858491 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 59.

The square root of 7982867912 is about 89346.8964877908. The cubic root of 7982867912 is about 1998.5713056593.

The spelling of 7982867912 in words is "seven billion, nine hundred eighty-two million, eight hundred sixty-seven thousand, nine hundred twelve".