378836646411 has 8 divisors (see below), whose sum is σ = 521409577984. Its totient is φ = 244410739560.

The previous prime is 378836646401. The next prime is 378836646427. The reversal of 378836646411 is 114646638873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378836646411 - 2¹⁰ = 378836645387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378836646401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036756071 + ... + 2036756256.

It is an arithmetic number, because the mean of its divisors is an integer number (65176197248).

Almost surely, 2^378836646411 is an apocalyptic number.

378836646411 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

378836646411 is a deficient number, since it is larger than the sum of its proper divisors (142572931573).

378836646411 is a wasteful number, since it uses less digits than its factorization.

378836646411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073512361.

The product of its digits is 13934592, while the sum is 57.

The spelling of 378836646411 in words is "three hundred seventy-eight billion, eight hundred thirty-six million, six hundred forty-six thousand, four hundred eleven".