3967912552 has 8 divisors (see below), whose sum is σ = 7439836050. Its totient is φ = 1983956272.

The previous prime is 3967912517. The next prime is 3967912561. The reversal of 3967912552 is 2552197693.

It can be written as a sum of positive squares in only one way, i.e., 3519574276 + 448338276 = 59326^2 + 21174^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3967912496 and 3967912505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247994527 + ... + 247994542.

Almost surely, 2^3967912552 is an apocalyptic number.

It is an amenable number.

3967912552 is a deficient number, since it is larger than the sum of its proper divisors (3471923498).

3967912552 is a wasteful number, since it uses less digits than its factorization.

3967912552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495989075 (or 495989071 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 49.

The square root of 3967912552 is about 62991.3688690760. The cubic root of 3967912552 is about 1583.1450137563.

The spelling of 3967912552 in words is "three billion, nine hundred sixty-seven million, nine hundred twelve thousand, five hundred fifty-two".