3967217057025 has 48 divisors (see below), whose sum is σ = 7523019051520. Its totient is φ = 2047595889600.

The previous prime is 3967217056993. The next prime is 3967217057057. The reversal of 3967217057025 is 5207507127693.

3967217057025 is a `hidden beast` number, since 3 + 9 + 67 + 2 + 1 + 7 + 0 + 570 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (3967217056993) and next prime (3967217057057).

It is not a de Polignac number, because 3967217057025 - 2⁵ = 3967217056993 is a prime.

It is a super-2 number, since 2×3967217057025² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94775182 + ... + 94817031.

Almost surely, 2^{3967217057025} is an apocalyptic number.

It is an amenable number.

3967217057025 is a deficient number, since it is larger than the sum of its proper divisors (3555801994495).

3967217057025 is a wasteful number, since it uses less digits than its factorization.

3967217057025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189592263 (or 189592252 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 54.

The spelling of 3967217057025 in words is "three trillion, nine hundred sixty-seven billion, two hundred seventeen million, fifty-seven thousand, twenty-five".