78882217800 has 48 divisors (see below), whose sum is σ = 244534877040. Its totient is φ = 21035257920.

The previous prime is 78882217793. The next prime is 78882217807. The reversal of 78882217800 is 871228887.

It is an interprime number because it is at equal distance from previous prime (78882217793) and next prime (78882217807).

It is not an unprimeable number, because it can be changed into a prime (78882217807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65734582 + ... + 65735781.

It is an arithmetic number, because the mean of its divisors is an integer number (5094476605).

Almost surely, 2^78882217800 is an apocalyptic number.

It is an amenable number.

78882217800 is an abundant number, since it is smaller than the sum of its proper divisors (165652659240).

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

78882217800 is a wasteful number, since it uses less digits than its factorization.

78882217800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131470382 (or 131470373 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 51.

The spelling of 78882217800 in words is "seventy-eight billion, eight hundred eighty-two million, two hundred seventeen thousand, eight hundred".