378100801 has 4 divisors (see below), whose sum is σ = 407185492. Its totient is φ = 349016112.

The previous prime is 378100787. The next prime is 378100813. The reversal of 378100801 is 108001873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108001873 = 7 ⋅15428839.

It can be written as a sum of positive squares in 2 ways, for example, as 36590401 + 341510400 = 6049^2 + 18480^2 .

It is a cyclic number.

It is not a de Polignac number, because 378100801 - 2¹¹ = 378098753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378100801.

It is not an unprimeable number, because it can be changed into a prime (378100001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14542326 + ... + 14542351.

It is an arithmetic number, because the mean of its divisors is an integer number (101796373).

Almost surely, 2^378100801 is an apocalyptic number.

It is an amenable number.

378100801 is a deficient number, since it is larger than the sum of its proper divisors (29084691).

378100801 is a wasteful number, since it uses less digits than its factorization.

378100801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29084690.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 378100801 is about 19444.8142444200. The cubic root of 378100801 is about 723.1069446384.

The spelling of 378100801 in words is "three hundred seventy-eight million, one hundred thousand, eight hundred one".