1993378327 has 4 divisors (see below), whose sum is σ = 2000181960. Its totient is φ = 1986574696.

The previous prime is 1993378279. The next prime is 1993378339. The reversal of 1993378327 is 7238733991.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7238733991 = 317 ⋅22835123.

It is a cyclic number.

It is not a de Polignac number, because 1993378327 - 2²³ = 1984989719 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 (1993378357) 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, 3401377 + ... + 3401962.

It is an arithmetic number, because the mean of its divisors is an integer number (500045490).

Almost surely, 2^1993378327 is an apocalyptic number.

1993378327 is a deficient number, since it is larger than the sum of its proper divisors (6803633).

1993378327 is an equidigital number, since it uses as much as digits as its factorization.

1993378327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803632.

The product of its digits is 1714608, while the sum is 52.

The square root of 1993378327 is about 44647.2656161606. The cubic root of 1993378327 is about 1258.5290483332.

The spelling of 1993378327 in words is "one billion, nine hundred ninety-three million, three hundred seventy-eight thousand, three hundred twenty-seven".