378855064711 has 4 divisors (see below), whose sum is σ = 384044860192. Its totient is φ = 373665269232.

The previous prime is 378855064699. The next prime is 378855064723. The reversal of 378855064711 is 117460558873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117460558873 = 7 ⋅16780079839.

It is an interprime number because it is at equal distance from previous prime (378855064699) and next prime (378855064723).

It is a cyclic number.

It is not a de Polignac number, because 378855064711 - 2⁷ = 378855064583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378855064771) 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, 2594897631 + ... + 2594897776.

It is an arithmetic number, because the mean of its divisors is an integer number (96011215048).

Almost surely, 2^378855064711 is an apocalyptic number.

378855064711 is a deficient number, since it is larger than the sum of its proper divisors (5189795481).

378855064711 is an equidigital number, since it uses as much as digits as its factorization.

378855064711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189795480.

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 378855064711 in words is "three hundred seventy-eight billion, eight hundred fifty-five million, sixty-four thousand, seven hundred eleven".