378785495851 has 8 divisors (see below), whose sum is σ = 455681799680. Its totient is φ = 307585214568.

The previous prime is 378785495849. The next prime is 378785495861. The reversal of 378785495851 is 158594587873.

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

It is a cyclic number.

It is not a de Polignac number, because 378785495851 - 2¹ = 378785495849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378785495831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424005491 + ... + 1424005756.

It is an arithmetic number, because the mean of its divisors is an integer number (56960224960).

Almost surely, 2^378785495851 is an apocalyptic number.

378785495851 is a deficient number, since it is larger than the sum of its proper divisors (76896303829).

378785495851 is a wasteful number, since it uses less digits than its factorization.

378785495851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848011273.

The product of its digits is 338688000, while the sum is 70.

The spelling of 378785495851 in words is "three hundred seventy-eight billion, seven hundred eighty-five million, four hundred ninety-five thousand, eight hundred fifty-one".