3975527156 has 12 divisors (see below), whose sum is σ = 6961692192. Its totient is φ = 1986472248.

The previous prime is 3975527119. The next prime is 3975527183. The reversal of 3975527156 is 6517255793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315890 + ... + 328233.

It is an arithmetic number, because the mean of its divisors is an integer number (580141016).

Almost surely, 2^3975527156 is an apocalyptic number.

It is an amenable number.

3975527156 is a deficient number, since it is larger than the sum of its proper divisors (2986165036).

3975527156 is a wasteful number, since it uses less digits than its factorization.

3975527156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645670 (or 645668 counting only the distinct ones).

The product of its digits is 1984500, while the sum is 50.

The square root of 3975527156 is about 63051.7815450127. The cubic root of 3975527156 is about 1584.1570756427.

The spelling of 3975527156 in words is "three billion, nine hundred seventy-five million, five hundred twenty-seven thousand, one hundred fifty-six".