384688879699 has 6 divisors (see below), whose sum is σ = 387517342604. Its totient is φ = 381880913040.

The previous prime is 384688879691. The next prime is 384688879709. The reversal of 384688879699 is 996978886483.

It is not a de Polignac number, because 384688879699 - 2³ = 384688879691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384688879691) 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, 10229217 + ... + 10266754.

Almost surely, 2^384688879699 is an apocalyptic number.

384688879699 is a deficient number, since it is larger than the sum of its proper divisors (2828462905).

384688879699 is an equidigital number, since it uses as much as digits as its factorization.

384688879699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20496245 (or 20496108 counting only the distinct ones).

The product of its digits is 9029615616, while the sum is 85.

The spelling of 384688879699 in words is "three hundred eighty-four billion, six hundred eighty-eight million, eight hundred seventy-nine thousand, six hundred ninety-nine".