78826944 has 112 divisors (see below), whose sum is σ = 241401600. Its totient is φ = 22235136.

The previous prime is 78826927. The next prime is 78826961. The reversal of 78826944 is 44962887.

It is an interprime number because it is at equal distance from previous prime (78826927) and next prime (78826961).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 78826893 and 78826902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119287 + ... + 119945.

Almost surely, 2^78826944 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 78826944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120700800).

78826944 is an abundant number, since it is smaller than the sum of its proper divisors (162574656).

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

78826944 is a wasteful number, since it uses less digits than its factorization.

78826944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 760 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 78826944 is about 8878.4539194614. The cubic root of 78826944 is about 428.7704990100.

The spelling of 78826944 in words is "seventy-eight million, eight hundred twenty-six thousand, nine hundred forty-four".