4196666887 has 6 divisors (see below), whose sum is σ = 4881837048. Its totient is φ = 3597143004.

The previous prime is 4196666843. The next prime is 4196666891. The reversal of 4196666887 is 7886666914.

It is not a de Polignac number, because 4196666887 - 2²⁷ = 4062449159 is a prime.

It is a super-2 number, since 2×4196666887² = 35224025920884541538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4196666827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42823083 + ... + 42823180.

It is an arithmetic number, because the mean of its divisors is an integer number (813639508).

Almost surely, 2^4196666887 is an apocalyptic number.

4196666887 is a deficient number, since it is larger than the sum of its proper divisors (685170161).

4196666887 is an equidigital number, since it uses as much as digits as its factorization.

4196666887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85646277 (or 85646270 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The square root of 4196666887 is about 64781.6863550186. The cubic root of 4196666887 is about 1613.0017283094.

The spelling of 4196666887 in words is "four billion, one hundred ninety-six million, six hundred sixty-six thousand, eight hundred eighty-seven".