788000009987 has 2 divisors, whose sum is σ = 788000009988. Its totient is φ = 788000009986.

The previous prime is 788000009969. The next prime is 788000010071. The reversal of 788000009987 is 789900000887.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 788000009987 - 2²² = 787995815683 is a prime.

It is not a weakly prime, because it can be changed into another prime (788000009947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394000004993 + 394000004994.

It is an arithmetic number, because the mean of its divisors is an integer number (394000004994).

Almost surely, 2^788000009987 is an apocalyptic number.

788000009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

788000009987 is an equidigital number, since it uses as much as digits as its factorization.

788000009987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 56.

The spelling of 788000009987 in words is "seven hundred eighty-eight billion, nine thousand, nine hundred eighty-seven".