368778193 has 4 divisors (see below), whose sum is σ = 421460800. Its totient is φ = 316095588.

The previous prime is 368778173. The next prime is 368778199. The reversal of 368778193 is 391877863.

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.

It is a cyclic number.

It is not a de Polignac number, because 368778193 - 2⁹ = 368777681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 368778193.

It is not an unprimeable number, because it can be changed into a prime (368778199) 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, 26341293 + ... + 26341306.

It is an arithmetic number, because the mean of its divisors is an integer number (105365200).

Almost surely, 2^368778193 is an apocalyptic number.

It is an amenable number.

368778193 is a deficient number, since it is larger than the sum of its proper divisors (52682607).

368778193 is an equidigital number, since it uses as much as digits as its factorization.

368778193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52682606.

The product of its digits is 1524096, while the sum is 52.

The square root of 368778193 is about 19203.5984388343. The cubic root of 368778193 is about 717.1143458780.

The spelling of 368778193 in words is "three hundred sixty-eight million, seven hundred seventy-eight thousand, one hundred ninety-three".