3956398452177 has 16 divisors (see below), whose sum is σ = 5615231400000. Its totient is φ = 2470701809664.

The previous prime is 3956398452119. The next prime is 3956398452191. The reversal of 3956398452177 is 7712548936593.

It is not a de Polignac number, because 3956398452177 - 2⁶ = 3956398452113 is a prime.

It is a super-2 number, since 2×3956398452177² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3956398452197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389941552 + ... + 389951697.

It is an arithmetic number, because the mean of its divisors is an integer number (350951962500).

Almost surely, 2^{3956398452177} is an apocalyptic number.

It is an amenable number.

3956398452177 is a deficient number, since it is larger than the sum of its proper divisors (1658832947823).

3956398452177 is a wasteful number, since it uses less digits than its factorization.

3956398452177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779893360.

The product of its digits is 342921600, while the sum is 69.

The spelling of 3956398452177 in words is "three trillion, nine hundred fifty-six billion, three hundred ninety-eight million, four hundred fifty-two thousand, one hundred seventy-seven".