389688079950 has 384 divisors, whose sum is σ = 1175189783040. Its totient is φ = 95554753920.

The previous prime is 389688079939. The next prime is 389688079973. The reversal of 389688079950 is 59970886983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 663863557 + ... + 663864143.

It is an arithmetic number, because the mean of its divisors is an integer number (3060390060).

Almost surely, 2^389688079950 is an apocalyptic number.

389688079950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 389688079950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587594891520).

389688079950 is an abundant number, since it is smaller than the sum of its proper divisors (785501703090).

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

389688079950 is a wasteful number, since it uses less digits than its factorization.

389688079950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 72.

The spelling of 389688079950 in words is "three hundred eighty-nine billion, six hundred eighty-eight million, seventy-nine thousand, nine hundred fifty".