380404426787 has 16 divisors (see below), whose sum is σ = 477011918592. Its totient is φ = 294705618720.

The previous prime is 380404426673. The next prime is 380404426793. The reversal of 380404426787 is 787624404083.

It is a cyclic number.

It is not a de Polignac number, because 380404426787 - 2¹⁶ = 380404361251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380404420787) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14265053 + ... + 14291694.

It is an arithmetic number, because the mean of its divisors is an integer number (29813244912).

Almost surely, 2^380404426787 is an apocalyptic number.

380404426787 is a deficient number, since it is larger than the sum of its proper divisors (96607491805).

380404426787 is a wasteful number, since it uses less digits than its factorization.

380404426787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28556938.

The product of its (nonzero) digits is 7225344, while the sum is 53.

The spelling of 380404426787 in words is "three hundred eighty billion, four hundred four million, four hundred twenty-six thousand, seven hundred eighty-seven".