380897279 has 8 divisors (see below), whose sum is σ = 449353728. Its totient is φ = 315951480.

The previous prime is 380897249. The next prime is 380897327. The reversal of 380897279 is 972798083.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380897279 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 380897279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380897249) 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, 877427 + ... + 877860.

It is an arithmetic number, because the mean of its divisors is an integer number (56169216).

Almost surely, 2^380897279 is an apocalyptic number.

380897279 is a deficient number, since it is larger than the sum of its proper divisors (68456449).

380897279 is a wasteful number, since it uses less digits than its factorization.

380897279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755325.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 380897279 is about 19516.5898404409. The cubic root of 380897279 is about 724.8852955274.

The spelling of 380897279 in words is "three hundred eighty million, eight hundred ninety-seven thousand, two hundred seventy-nine".