378799129 has 8 divisors (see below), whose sum is σ = 384801408. Its totient is φ = 372815520.

The previous prime is 378799103. The next prime is 378799133. The reversal of 378799129 is 921997873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378799129 - 2¹⁷ = 378668057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378799129.

It is not an unprimeable number, because it can be changed into a prime (378799139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39484 + ... + 48130.

It is an arithmetic number, because the mean of its divisors is an integer number (48100176).

Almost surely, 2^378799129 is an apocalyptic number.

It is an amenable number.

378799129 is a deficient number, since it is larger than the sum of its proper divisors (6002279).

378799129 is an equidigital number, since it uses as much as digits as its factorization.

378799129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9335.

The product of its digits is 1714608, while the sum is 55.

The square root of 378799129 is about 19462.7626250746. The cubic root of 378799129 is about 723.5518482759.

The spelling of 378799129 in words is "three hundred seventy-eight million, seven hundred ninety-nine thousand, one hundred twenty-nine".