788672393 has 2 divisors, whose sum is σ = 788672394. Its totient is φ = 788672392.

The previous prime is 788672329. The next prime is 788672431. The reversal of 788672393 is 393276887.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 788037184 + 635209 = 28072^2 + 797^2 .

It is an emirp because it is prime and its reverse (393276887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 788672393 - 2⁶ = 788672329 is a prime.

It is not a weakly prime, because it can be changed into another prime (788672693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394336196 + 394336197.

It is an arithmetic number, because the mean of its divisors is an integer number (394336197).

Almost surely, 2^788672393 is an apocalyptic number.

It is an amenable number.

788672393 is a deficient number, since it is larger than the sum of its proper divisors (1).

788672393 is an equidigital number, since it uses as much as digits as its factorization.

788672393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 53.

The square root of 788672393 is about 28083.3116458868. The cubic root of 788672393 is about 923.9154146473.

The spelling of 788672393 in words is "seven hundred eighty-eight million, six hundred seventy-two thousand, three hundred ninety-three".