993378273 has 16 divisors (see below), whose sum is σ = 1395252480. Its totient is φ = 626930064.

The previous prime is 993378271. The next prime is 993378277. The reversal of 993378273 is 372873399.

It is not a de Polignac number, because 993378273 - 2¹ = 993378271 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (993378271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81090 + ... + 92532.

It is an arithmetic number, because the mean of its divisors is an integer number (87203280).

Almost surely, 2^993378273 is an apocalyptic number.

It is an amenable number.

993378273 is a deficient number, since it is larger than the sum of its proper divisors (401874207).

993378273 is a wasteful number, since it uses less digits than its factorization.

993378273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988.

The product of its digits is 1714608, while the sum is 51.

The square root of 993378273 is about 31517.9040070878. The cubic root of 993378273 is about 997.7878677459.

The spelling of 993378273 in words is "nine hundred ninety-three million, three hundred seventy-eight thousand, two hundred seventy-three".