379243855866 has 32 divisors (see below), whose sum is σ = 762661122048. Its totient is φ = 125719402160.

The previous prime is 379243855847. The next prime is 379243855867. The reversal of 379243855866 is 668558342973.

It is a super-2 number, since 2×379243855866² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 379243855797 and 379243855806.

It is not an unprimeable number, because it can be changed into a prime (379243855867) 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, 4481341 + ... + 4565183.

It is an arithmetic number, because the mean of its divisors is an integer number (23833160064).

Almost surely, 2^379243855866 is an apocalyptic number.

379243855866 is an abundant number, since it is smaller than the sum of its proper divisors (383417266182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

379243855866 is a wasteful number, since it uses less digits than its factorization.

379243855866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87986.

The product of its digits is 261273600, while the sum is 66.

The spelling of 379243855866 in words is "three hundred seventy-nine billion, two hundred forty-three million, eight hundred fifty-five thousand, eight hundred sixty-six".