341988639786 has 128 divisors (see below), whose sum is σ = 843352473600. Its totient is φ = 102288536640.

The previous prime is 341988639781. The next prime is 341988639809. The reversal of 341988639786 is 687936889143.

341988639786 is a `hidden beast` number, since 3 + 419 + 88 + 63 + 9 + 78 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (341988639781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1380496 + ... + 1609268.

It is an arithmetic number, because the mean of its divisors is an integer number (6588691200).

Almost surely, 2^341988639786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 341988639786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421676236800).

341988639786 is an abundant number, since it is smaller than the sum of its proper divisors (501363833814).

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

341988639786 is a wasteful number, since it uses less digits than its factorization.

341988639786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228881 (or 228875 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 341988639786 in words is "three hundred forty-one billion, nine hundred eighty-eight million, six hundred thirty-nine thousand, seven hundred eighty-six".