78588773328 has 40 divisors (see below), whose sum is σ = 218637999328. Its totient is φ = 24181160832.

The previous prime is 78588773327. The next prime is 78588773429. The reversal of 78588773328 is 82337788587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78588773327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62971150 + ... + 62972397.

Almost surely, 2^78588773328 is an apocalyptic number.

78588773328 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

78588773328 is an abundant number, since it is smaller than the sum of its proper divisors (140049226000).

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

78588773328 is a wasteful number, since it uses less digits than its factorization.

78588773328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125943571 (or 125943565 counting only the distinct ones).

The product of its digits is 126443520, while the sum is 66.

The spelling of 78588773328 in words is "seventy-eight billion, five hundred eighty-eight million, seven hundred seventy-three thousand, three hundred twenty-eight".