3975657352 has 8 divisors (see below), whose sum is σ = 7454357550. Its totient is φ = 1987828672.

The previous prime is 3975657317. The next prime is 3975657377. The reversal of 3975657352 is 2537565793.

It can be written as a sum of positive squares in only one way, i.e., 3703209316 + 272448036 = 60854^2 + 16506^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3975657352.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248478577 + ... + 248478592.

Almost surely, 2^3975657352 is an apocalyptic number.

It is an amenable number.

3975657352 is a deficient number, since it is larger than the sum of its proper divisors (3478700198).

3975657352 is a wasteful number, since it uses less digits than its factorization.

3975657352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496957175 (or 496957171 counting only the distinct ones).

The product of its digits is 5953500, while the sum is 52.

The square root of 3975657352 is about 63052.8139895437. The cubic root of 3975657352 is about 1584.1743688347.

The spelling of 3975657352 in words is "three billion, nine hundred seventy-five million, six hundred fifty-seven thousand, three hundred fifty-two".