378773093 has 4 divisors (see below), whose sum is σ = 378819168. Its totient is φ = 378727020.

The previous prime is 378773077. The next prime is 378773117. The reversal of 378773093 is 390377873.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 390377873 = 23 ⋅16972951.

It is a cyclic number.

It is not a de Polignac number, because 378773093 - 2⁴ = 378773077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378773023) 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, 6971 + ... + 28392.

It is an arithmetic number, because the mean of its divisors is an integer number (94704792).

Almost surely, 2^378773093 is an apocalyptic number.

It is an amenable number.

378773093 is a deficient number, since it is larger than the sum of its proper divisors (46075).

378773093 is a wasteful number, since it uses less digits than its factorization.

378773093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46074.

The product of its (nonzero) digits is 666792, while the sum is 47.

The square root of 378773093 is about 19462.0937465628. The cubic root of 378773093 is about 723.5352706000.

The spelling of 378773093 in words is "three hundred seventy-eight million, seven hundred seventy-three thousand, ninety-three".