78012838300 has 72 divisors (see below), whose sum is σ = 171456901056. Its totient is φ = 30807490560.

The previous prime is 78012838237. The next prime is 78012838303. The reversal of 78012838300 is 383821087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78012838303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2890669 + ... + 2917531.

It is an arithmetic number, because the mean of its divisors is an integer number (2381345848).

Almost surely, 2^78012838300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78012838300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85728450528).

78012838300 is an abundant number, since it is smaller than the sum of its proper divisors (93444062756).

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

78012838300 is a wasteful number, since it uses less digits than its factorization.

78012838300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27247 (or 27240 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 78012838300 in words is "seventy-eight billion, twelve million, eight hundred thirty-eight thousand, three hundred".