3925862997 has 12 divisors (see below), whose sum is σ = 6089093856. Its totient is φ = 2243350200.

The previous prime is 3925862981. The next prime is 3925863001. The reversal of 3925862997 is 7992685293.

It is not a de Polignac number, because 3925862997 - 2⁴ = 3925862981 is a prime.

It is a super-3 number, since 3×3925862997³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3925862997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925862197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13353129 + ... + 13353422.

It is an arithmetic number, because the mean of its divisors is an integer number (507424488).

Almost surely, 2^3925862997 is an apocalyptic number.

It is an amenable number.

3925862997 is a deficient number, since it is larger than the sum of its proper divisors (2163230859).

3925862997 is a wasteful number, since it uses less digits than its factorization.

3925862997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26706568 (or 26706561 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The square root of 3925862997 is about 62656.7075180303. The cubic root of 3925862997 is about 1577.5327348389.

The spelling of 3925862997 in words is "three billion, nine hundred twenty-five million, eight hundred sixty-two thousand, nine hundred ninety-seven".