378423757 has 8 divisors (see below), whose sum is σ = 402364800. Its totient is φ = 354669504.

The previous prime is 378423739. The next prime is 378423803. The reversal of 378423757 is 757324873.

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

It is not a de Polignac number, because 378423757 - 2⁷ = 378423629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378423737) 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, 42507 + ... + 50632.

It is an arithmetic number, because the mean of its divisors is an integer number (50295600).

Almost surely, 2^378423757 is an apocalyptic number.

It is an amenable number.

378423757 is a deficient number, since it is larger than the sum of its proper divisors (23941043).

378423757 is a wasteful number, since it uses less digits than its factorization.

378423757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93395.

The product of its digits is 987840, while the sum is 46.

The square root of 378423757 is about 19453.1168967855. The cubic root of 378423757 is about 723.3127674125.

The spelling of 378423757 in words is "three hundred seventy-eight million, four hundred twenty-three thousand, seven hundred fifty-seven".