3967894167 has 24 divisors (see below), whose sum is σ = 5409903744. Its totient is φ = 2586309264.

The previous prime is 3967894159. The next prime is 3967894199. The reversal of 3967894167 is 7614987693.

3967894167 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3967894167 - 2³ = 3967894159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3967894167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967894157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5339998 + ... + 5340740.

It is an arithmetic number, because the mean of its divisors is an integer number (225412656).

Almost surely, 2^3967894167 is an apocalyptic number.

3967894167 is a deficient number, since it is larger than the sum of its proper divisors (1442009577).

3967894167 is an equidigital number, since it uses as much as digits as its factorization.

3967894167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 976 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 3967894167 is about 62991.2229362155. Note that the first 3 decimals coincide. The cubic root of 3967894167 is about 1583.1425686280.

The spelling of 3967894167 in words is "three billion, nine hundred sixty-seven million, eight hundred ninety-four thousand, one hundred sixty-seven".