378834741857 has 8 divisors (see below), whose sum is σ = 445064592000. Its totient is φ = 317903279760.

The previous prime is 378834741827. The next prime is 378834741881. The reversal of 378834741857 is 758147438873.

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

It is not a de Polignac number, because 378834741857 - 2¹² = 378834737761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378834741793 and 378834741802.

It is not an unprimeable number, because it can be changed into a prime (378834741827) 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, 1324596857 + ... + 1324597142.

It is an arithmetic number, because the mean of its divisors is an integer number (55633074000).

Almost surely, 2^378834741857 is an apocalyptic number.

It is an amenable number.

378834741857 is a deficient number, since it is larger than the sum of its proper divisors (66229850143).

378834741857 is a wasteful number, since it uses less digits than its factorization.

378834741857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649194023.

The product of its digits is 126443520, while the sum is 65.

The spelling of 378834741857 in words is "three hundred seventy-eight billion, eight hundred thirty-four million, seven hundred forty-one thousand, eight hundred fifty-seven".