788854912997 has 4 divisors (see below), whose sum is σ = 788932315020. Its totient is φ = 788777510976.

The previous prime is 788854912969. The next prime is 788854913003. The reversal of 788854912997 is 799219458887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799219458887 = 71 ⋅11256612097.

It can be written as a sum of positive squares in 2 ways, for example, as 371867016481 + 416987896516 = 609809^2 + 645746^2 .

It is a cyclic number.

It is not a de Polignac number, because 788854912997 - 2¹² = 788854908901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788854912697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38685722 + ... + 38706107.

It is an arithmetic number, because the mean of its divisors is an integer number (197233078755).

Almost surely, 2^788854912997 is an apocalyptic number.

It is an amenable number.

788854912997 is a deficient number, since it is larger than the sum of its proper divisors (77402023).

788854912997 is a wasteful number, since it uses less digits than its factorization.

788854912997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77402022.

The product of its digits is 731566080, while the sum is 77.

The spelling of 788854912997 in words is "seven hundred eighty-eight billion, eight hundred fifty-four million, nine hundred twelve thousand, nine hundred ninety-seven".