378742167 has 12 divisors (see below), whose sum is σ = 579252960. Its totient is φ = 237642048.

The previous prime is 378742163. The next prime is 378742171. The reversal of 378742167 is 761247873.

It is an interprime number because it is at equal distance from previous prime (378742163) and next prime (378742171).

It is not a de Polignac number, because 378742167 - 2² = 378742163 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378742163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1237567 + ... + 1237872.

It is an arithmetic number, because the mean of its divisors is an integer number (48271080).

Almost surely, 2^378742167 is an apocalyptic number.

378742167 is a deficient number, since it is larger than the sum of its proper divisors (200510793).

378742167 is a wasteful number, since it uses less digits than its factorization.

378742167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475462 (or 2475459 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 378742167 is about 19461.2992115121. The cubic root of 378742167 is about 723.5155783698.

It can be divided in two parts, 3787 and 42167, that added together give a palindrome (45954).

The spelling of 378742167 in words is "three hundred seventy-eight million, seven hundred forty-two thousand, one hundred sixty-seven".