78812880888 has 32 divisors (see below), whose sum is σ = 225179660160. Its totient is φ = 22517965920.

The previous prime is 78812880827. The next prime is 78812880893. The reversal of 78812880888 is 88808821887.

It is a super-2 number, since 2×78812880888² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234561978 + ... + 234562313.

It is an arithmetic number, because the mean of its divisors is an integer number (7036864380).

Almost surely, 2^78812880888 is an apocalyptic number.

It is an amenable number.

78812880888 is an abundant number, since it is smaller than the sum of its proper divisors (146366779272).

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

78812880888 is a wasteful number, since it uses less digits than its factorization.

78812880888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469124307 (or 469124303 counting only the distinct ones).

The product of its (nonzero) digits is 29360128, while the sum is 66.

The spelling of 78812880888 in words is "seventy-eight billion, eight hundred twelve million, eight hundred eighty thousand, eight hundred eighty-eight".