378889753 has 4 divisors (see below), whose sum is σ = 413334288. Its totient is φ = 344445220.

The previous prime is 378889747. The next prime is 378889759. The reversal of 378889753 is 357988873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (378889747) and next prime (378889759).

It is a cyclic number.

It is not a de Polignac number, because 378889753 - 2¹³ = 378881561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378889759) 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, 17222251 + ... + 17222272.

It is an arithmetic number, because the mean of its divisors is an integer number (103333572).

Almost surely, 2^378889753 is an apocalyptic number.

It is an amenable number.

378889753 is a deficient number, since it is larger than the sum of its proper divisors (34444535).

378889753 is a wasteful number, since it uses less digits than its factorization.

378889753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34444534.

The product of its digits is 10160640, while the sum is 58.

The square root of 378889753 is about 19465.0906239863. The cubic root of 378889753 is about 723.6095445845.

The spelling of 378889753 in words is "three hundred seventy-eight million, eight hundred eighty-nine thousand, seven hundred fifty-three".