380388972187 has 8 divisors (see below), whose sum is σ = 434734044416. Its totient is φ = 326044847592.

The previous prime is 380388972179. The next prime is 380388972233. The reversal of 380388972187 is 781279883083.

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 380388972187 - 2³ = 380388972179 is a prime.

It is a super-2 number, since 2×380388972187² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380388972137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223218 + ... + 1502344.

It is an arithmetic number, because the mean of its divisors is an integer number (54341755552).

Almost surely, 2^380388972187 is an apocalyptic number.

380388972187 is a deficient number, since it is larger than the sum of its proper divisors (54345072229).

380388972187 is a wasteful number, since it uses less digits than its factorization.

380388972187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473817.

The product of its (nonzero) digits is 32514048, while the sum is 64.

The spelling of 380388972187 in words is "three hundred eighty billion, three hundred eighty-eight million, nine hundred seventy-two thousand, one hundred eighty-seven".