397960877411 has 4 divisors (see below), whose sum is σ = 397964455824. Its totient is φ = 397957299000.

The previous prime is 397960877387. The next prime is 397960877449. The reversal of 397960877411 is 114778069793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114778069793 = 179 ⋅641218267.

It is a cyclic number.

It is not a de Polignac number, because 397960877411 - 2¹⁸ = 397960615267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397960873411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616855 + ... + 1846656.

It is an arithmetic number, because the mean of its divisors is an integer number (99491113956).

Almost surely, 2^397960877411 is an apocalyptic number.

397960877411 is a deficient number, since it is larger than the sum of its proper divisors (3578413).

397960877411 is a wasteful number, since it uses less digits than its factorization.

397960877411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578412.

The product of its (nonzero) digits is 16003008, while the sum is 62.

The spelling of 397960877411 in words is "three hundred ninety-seven billion, nine hundred sixty million, eight hundred seventy-seven thousand, four hundred eleven".