993212807 has 2 divisors, whose sum is σ = 993212808. Its totient is φ = 993212806.

The previous prime is 993212767. The next prime is 993212861. The reversal of 993212807 is 708212399.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 993212807 - 2²⁰ = 992164231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993212107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496606403 + 496606404.

It is an arithmetic number, because the mean of its divisors is an integer number (496606404).

Almost surely, 2^993212807 is an apocalyptic number.

993212807 is a deficient number, since it is larger than the sum of its proper divisors (1).

993212807 is an equidigital number, since it uses as much as digits as its factorization.

993212807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 993212807 is about 31515.2789452989. The cubic root of 993212807 is about 997.7324645024.

The spelling of 993212807 in words is "nine hundred ninety-three million, two hundred twelve thousand, eight hundred seven".