378100869 has 16 divisors (see below), whose sum is σ = 522028800. Its totient is φ = 243137216.

The previous prime is 378100867. The next prime is 378100889. The reversal of 378100869 is 968001873.

It is a cyclic number.

It is not a de Polignac number, because 378100869 - 2¹ = 378100867 is a prime.

It is a super-2 number, since 2×378100869² = 285920534277110322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 378100869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378100867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147412 + ... + 149954.

It is an arithmetic number, because the mean of its divisors is an integer number (32626800).

Almost surely, 2^378100869 is an apocalyptic number.

It is an amenable number.

378100869 is a deficient number, since it is larger than the sum of its proper divisors (143927931).

378100869 is a wasteful number, since it uses less digits than its factorization.

378100869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 378100869 is about 19444.8159929581. The cubic root of 378100869 is about 723.1069879877.

The spelling of 378100869 in words is "three hundred seventy-eight million, one hundred thousand, eight hundred sixty-nine".