380993751765 has 80 divisors (see below), whose sum is σ = 746973152640. Its totient is φ = 184248535680.

The previous prime is 380993751763. The next prime is 380993751773. The reversal of 380993751765 is 567157399083.

380993751765 is a `hidden beast` number, since 3 + 8 + 0 + 99 + 375 + 176 + 5 = 666.

It is not a de Polignac number, because 380993751765 - 2¹ = 380993751763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380993751763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1623072 + ... + 1842918.

It is an arithmetic number, because the mean of its divisors is an integer number (9337164408).

Almost surely, 2^380993751765 is an apocalyptic number.

It is an amenable number.

380993751765 is a deficient number, since it is larger than the sum of its proper divisors (365979400875).

380993751765 is a wasteful number, since it uses less digits than its factorization.

380993751765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220264 (or 220255 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 380993751765 in words is "three hundred eighty billion, nine hundred ninety-three million, seven hundred fifty-one thousand, seven hundred sixty-five".