380657563 has 16 divisors (see below), whose sum is σ = 451182816. Its totient is φ = 316592640.

The previous prime is 380657513. The next prime is 380657579. The reversal of 380657563 is 365756083.

It is not a de Polignac number, because 380657563 - 2⁹ = 380657051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380657503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4381 + ... + 27937.

It is an arithmetic number, because the mean of its divisors is an integer number (28198926).

Almost surely, 2^380657563 is an apocalyptic number.

380657563 is a deficient number, since it is larger than the sum of its proper divisors (70525253).

380657563 is a wasteful number, since it uses less digits than its factorization.

380657563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23694.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 380657563 is about 19510.4475345903. The cubic root of 380657563 is about 724.7331958416.

It can be divided in two parts, 3806 and 57563, that multiplied together give a triangular number (219084778 = T₂₀₉₃₂).

The spelling of 380657563 in words is "three hundred eighty million, six hundred fifty-seven thousand, five hundred sixty-three".