3975399527 has 32 divisors (see below), whose sum is σ = 4729881600. Its totient is φ = 3300710400.

The previous prime is 3975399523. The next prime is 3975399563. The reversal of 3975399527 is 7259935793.

It is a cyclic number.

It is not a de Polignac number, because 3975399527 - 2² = 3975399523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975399523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 869327 + ... + 873887.

It is an arithmetic number, because the mean of its divisors is an integer number (147808800).

Almost surely, 2^3975399527 is an apocalyptic number.

3975399527 is a deficient number, since it is larger than the sum of its proper divisors (754482073).

3975399527 is a wasteful number, since it uses less digits than its factorization.

3975399527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727.

The product of its digits is 16074450, while the sum is 59.

The square root of 3975399527 is about 63050.7694401900. The cubic root of 3975399527 is about 1584.1401230442.

The spelling of 3975399527 in words is "three billion, nine hundred seventy-five million, three hundred ninety-nine thousand, five hundred twenty-seven".