378834567627 has 16 divisors (see below), whose sum is σ = 535186503072. Its totient is φ = 237539573760.

The previous prime is 378834567619. The next prime is 378834567649. The reversal of 378834567627 is 726765438873.

It is not a de Polignac number, because 378834567627 - 2³ = 378834567619 is a prime.

It is a super-2 number, since 2×378834567627² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378834562627) 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, 2432278 + ... + 2583339.

It is an arithmetic number, because the mean of its divisors is an integer number (33449156442).

Almost surely, 2^378834567627 is an apocalyptic number.

378834567627 is a deficient number, since it is larger than the sum of its proper divisors (156351935445).

378834567627 is a wasteful number, since it uses less digits than its factorization.

378834567627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017118.

The product of its digits is 284497920, while the sum is 66.

The spelling of 378834567627 in words is "three hundred seventy-eight billion, eight hundred thirty-four million, five hundred sixty-seven thousand, six hundred twenty-seven".