380787665125 has 64 divisors (see below), whose sum is σ = 545801518080. Its totient is φ = 259822080000.

The previous prime is 380787665119. The next prime is 380787665149. The reversal of 380787665125 is 521566787083.

It is a happy number.

It is not a de Polignac number, because 380787665125 - 2⁷ = 380787664997 is a prime.

It is a super-3 number, since 3×380787665125³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 380787665125.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 188788117 + ... + 188790133.

It is an arithmetic number, because the mean of its divisors is an integer number (8528148720).

Almost surely, 2^380787665125 is an apocalyptic number.

380787665125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

380787665125 is a deficient number, since it is larger than the sum of its proper divisors (165013852955).

380787665125 is a wasteful number, since it uses less digits than its factorization.

380787665125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 380787665125 in words is "three hundred eighty billion, seven hundred eighty-seven million, six hundred sixty-five thousand, one hundred twenty-five".