78800470944 has 144 divisors (see below), whose sum is σ = 227333064672. Its totient is φ = 23884084224.

The previous prime is 78800470937. The next prime is 78800470949. The reversal of 78800470944 is 44907400887.

It is a super-2 number, since 2×78800470944² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78800470949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1050762 + ... + 1123254.

It is an arithmetic number, because the mean of its divisors is an integer number (1578701838).

Almost surely, 2^78800470944 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 78800470944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113666532336).

78800470944 is an abundant number, since it is smaller than the sum of its proper divisors (148532593728).

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

78800470944 is a wasteful number, since it uses less digits than its factorization.

78800470944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72599 (or 72578 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 78800470944 in words is "seventy-eight billion, eight hundred million, four hundred seventy thousand, nine hundred forty-four".