389427211886 has 4 divisors (see below), whose sum is σ = 584140817832. Its totient is φ = 194713605942.

The previous prime is 389427211787. The next prime is 389427211891. The reversal of 389427211886 is 688112724983.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97356802970 + ... + 97356802973.

It is an arithmetic number, because the mean of its divisors is an integer number (146035204458).

Almost surely, 2^389427211886 is an apocalyptic number.

389427211886 is a deficient number, since it is larger than the sum of its proper divisors (194713605946).

389427211886 is a wasteful number, since it uses less digits than its factorization.

389427211886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194713605945.

The product of its digits is 9289728, while the sum is 59.

The spelling of 389427211886 in words is "three hundred eighty-nine billion, four hundred twenty-seven million, two hundred eleven thousand, eight hundred eighty-six".