378800687201 has 4 divisors (see below), whose sum is σ = 387610005552. Its totient is φ = 369991368852.

The previous prime is 378800687197. The next prime is 378800687269. The reversal of 378800687201 is 102786008873.

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: 102786008873 = 47 ⋅2186936359.

It is a cyclic number.

It is not a de Polignac number, because 378800687201 - 2² = 378800687197 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 378800687201.

It is not an unprimeable number, because it can be changed into a prime (378800687101) 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, 4404659111 + ... + 4404659196.

It is an arithmetic number, because the mean of its divisors is an integer number (96902501388).

Almost surely, 2^378800687201 is an apocalyptic number.

It is an amenable number.

378800687201 is a deficient number, since it is larger than the sum of its proper divisors (8809318351).

378800687201 is an equidigital number, since it uses as much as digits as its factorization.

378800687201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8809318350.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 378800687201 in words is "three hundred seventy-eight billion, eight hundred million, six hundred eighty-seven thousand, two hundred one".