788424098557 has 2 divisors, whose sum is σ = 788424098558. Its totient is φ = 788424098556.

The previous prime is 788424098543. The next prime is 788424098573. The reversal of 788424098557 is 755890424887.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651460451161 + 136963647396 = 807131^2 + 370086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-788424098557 is a prime.

It is a super-2 number, since 2×788424098557² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 788424098492 and 788424098501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788424098507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394212049278 + 394212049279.

It is an arithmetic number, because the mean of its divisors is an integer number (394212049279).

Almost surely, 2^788424098557 is an apocalyptic number.

It is an amenable number.

788424098557 is a deficient number, since it is larger than the sum of its proper divisors (1).

788424098557 is an equidigital number, since it uses as much as digits as its factorization.

788424098557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180633600, while the sum is 67.

The spelling of 788424098557 in words is "seven hundred eighty-eight billion, four hundred twenty-four million, ninety-eight thousand, five hundred fifty-seven".