380872765 has 48 divisors (see below), whose sum is σ = 595555200. Its totient is φ = 228324096.

The previous prime is 380872721. The next prime is 380872769. The reversal of 380872765 is 567278083.

It is not a de Polignac number, because 380872765 - 2⁷ = 380872637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380872769) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110691 + ... + 114079.

It is an arithmetic number, because the mean of its divisors is an integer number (12407400).

Almost surely, 2^380872765 is an apocalyptic number.

380872765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

380872765 is a deficient number, since it is larger than the sum of its proper divisors (214682435).

380872765 is a wasteful number, since it uses less digits than its factorization.

380872765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446 (or 3433 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 380872765 is about 19515.9618005365. The cubic root of 380872765 is about 724.8697443361.

The spelling of 380872765 in words is "three hundred eighty million, eight hundred seventy-two thousand, seven hundred sixty-five".