378769523 has 8 divisors (see below), whose sum is σ = 414698160. Its totient is φ = 343090080.

The previous prime is 378769511. The next prime is 378769553. The reversal of 378769523 is 325967873.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 378769523 - 2⁶ = 378769459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378769553) 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, 59108 + ... + 65201.

It is an arithmetic number, because the mean of its divisors is an integer number (51837270).

Almost surely, 2^378769523 is an apocalyptic number.

378769523 is a deficient number, since it is larger than the sum of its proper divisors (35928637).

378769523 is a wasteful number, since it uses less digits than its factorization.

378769523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124597.

The product of its digits is 1905120, while the sum is 50.

The square root of 378769523 is about 19462.0020295960. The cubic root of 378769523 is about 723.5329974457.

The spelling of 378769523 in words is "three hundred seventy-eight million, seven hundred sixty-nine thousand, five hundred twenty-three".