378711001 has 4 divisors (see below), whose sum is σ = 384363472. Its totient is φ = 373058532.

The previous prime is 378710987. The next prime is 378711043. The reversal of 378711001 is 100117873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100117873 = 23 ⋅4352951.

It is a cyclic number.

It is not a de Polignac number, because 378711001 - 2²⁵ = 345156569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378711061) 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, 2826135 + ... + 2826268.

It is an arithmetic number, because the mean of its divisors is an integer number (96090868).

Almost surely, 2^378711001 is an apocalyptic number.

It is an amenable number.

378711001 is a deficient number, since it is larger than the sum of its proper divisors (5652471).

378711001 is an equidigital number, since it uses as much as digits as its factorization.

378711001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5652470.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 378711001 is about 19460.4984776855. The cubic root of 378711001 is about 723.4957322344.

Adding to 378711001 its reverse (100117873), we get a palindrome (478828874).

The spelling of 378711001 in words is "three hundred seventy-eight million, seven hundred eleven thousand, one".