993675847 has 2 divisors, whose sum is σ = 993675848. Its totient is φ = 993675846.

The previous prime is 993675827. The next prime is 993675913. The reversal of 993675847 is 748576399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 993675847 - 2²³ = 985287239 is a prime.

It is a super-2 number, since 2×993675847² = 1974783377822334818, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 993675791 and 993675800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993675827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496837923 + 496837924.

It is an arithmetic number, because the mean of its divisors is an integer number (496837924).

Almost surely, 2^993675847 is an apocalyptic number.

993675847 is a deficient number, since it is larger than the sum of its proper divisors (1).

993675847 is an equidigital number, since it uses as much as digits as its factorization.

993675847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 58.

The square root of 993675847 is about 31522.6243672699. The cubic root of 993675847 is about 997.8874894416.

The spelling of 993675847 in words is "nine hundred ninety-three million, six hundred seventy-five thousand, eight hundred forty-seven".