787998707899788 has 96 divisors (see below), whose sum is σ = 2413010397450240. Its totient is φ = 193902621215040.

The previous prime is 787998707899787. The next prime is 787998707899789. The reversal of 787998707899788 is 887998707899787.

It is an interprime number because it is at equal distance from previous prime (787998707899787) and next prime (787998707899789).

It is not an unprimeable number, because it can be changed into a prime (787998707899787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22442415456 + ... + 22442450567.

It is an arithmetic number, because the mean of its divisors is an integer number (25135524973440).

Almost surely, 2^{787998707899788} is an apocalyptic number.

It is an amenable number.

787998707899788 is an abundant number, since it is smaller than the sum of its proper divisors (1625011689550452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

787998707899788 is a wasteful number, since it uses less digits than its factorization.

787998707899788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44884866067 (or 44884866065 counting only the distinct ones).

The product of its (nonzero) digits is 3613351182336, while the sum is 111.

Subtracting 787998707899788 from its reverse (887998707899787), we obtain a palindrome (99999999999999).

The spelling of 787998707899788 in words is "seven hundred eighty-seven trillion, nine hundred ninety-eight billion, seven hundred seven million, eight hundred ninety-nine thousand, seven hundred eighty-eight".