378700451 has 4 divisors (see below), whose sum is σ = 395165712. Its totient is φ = 362235192.

The previous prime is 378700417. The next prime is 378700459. The reversal of 378700451 is 154007873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378700451 - 2¹⁰ = 378699427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378700459) 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, 8232596 + ... + 8232641.

It is an arithmetic number, because the mean of its divisors is an integer number (98791428).

Almost surely, 2^378700451 is an apocalyptic number.

378700451 is a deficient number, since it is larger than the sum of its proper divisors (16465261).

378700451 is a wasteful number, since it uses less digits than its factorization.

378700451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16465260.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 378700451 is about 19460.2274138819. The cubic root of 378700451 is about 723.4890138741.

The spelling of 378700451 in words is "three hundred seventy-eight million, seven hundred thousand, four hundred fifty-one".