380541787 has 16 divisors (see below), whose sum is σ = 422386272. Its totient is φ = 341268480.

The previous prime is 380541779. The next prime is 380541797. The reversal of 380541787 is 787145083.

It is a cyclic number.

It is not a de Polignac number, because 380541787 - 2³ = 380541779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380541727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23623 + ... + 36319.

It is an arithmetic number, because the mean of its divisors is an integer number (26399142).

Almost surely, 2^380541787 is an apocalyptic number.

380541787 is a deficient number, since it is larger than the sum of its proper divisors (41844485).

380541787 is a wasteful number, since it uses less digits than its factorization.

380541787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12798.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 380541787 is about 19507.4802832144. The cubic root of 380541787 is about 724.6597131573.

The spelling of 380541787 in words is "three hundred eighty million, five hundred forty-one thousand, seven hundred eighty-seven".