378812451 has 8 divisors (see below), whose sum is σ = 510290704. Its totient is φ = 249937920.

The previous prime is 378812431. The next prime is 378812491. The reversal of 378812451 is 154218873.

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

It is not a de Polignac number, because 378812451 - 2²³ = 370423843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378812431) 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, 650590 + ... + 651171.

It is an arithmetic number, because the mean of its divisors is an integer number (63786338).

Almost surely, 2^378812451 is an apocalyptic number.

378812451 is a deficient number, since it is larger than the sum of its proper divisors (131478253).

378812451 is a wasteful number, since it uses less digits than its factorization.

378812451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301861.

The product of its digits is 53760, while the sum is 39.

The square root of 378812451 is about 19463.1048653600. The cubic root of 378812451 is about 723.5603303833.

The spelling of 378812451 in words is "three hundred seventy-eight million, eight hundred twelve thousand, four hundred fifty-one".