378387707 has 4 divisors (see below), whose sum is σ = 378489816. Its totient is φ = 378285600.

The previous prime is 378387703. The next prime is 378387721. The reversal of 378387707 is 707783873.

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 378387707 - 2² = 378387703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378387703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45278 + ... + 52979.

It is an arithmetic number, because the mean of its divisors is an integer number (94622454).

Almost surely, 2^378387707 is an apocalyptic number.

378387707 is a deficient number, since it is larger than the sum of its proper divisors (102109).

378387707 is an equidigital number, since it uses as much as digits as its factorization.

378387707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102108.

The product of its (nonzero) digits is 1382976, while the sum is 50.

The square root of 378387707 is about 19452.1902879856. The cubic root of 378387707 is about 723.2897982297.

The spelling of 378387707 in words is "three hundred seventy-eight million, three hundred eighty-seven thousand, seven hundred seven".