78922504800 has 216 divisors, whose sum is σ = 278975347560. Its totient is φ = 20994969600.

The previous prime is 78922504789. The next prime is 78922504823. The reversal of 78922504800 is 840522987.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3003720 + ... + 3029880.

It is an arithmetic number, because the mean of its divisors is an integer number (1291552535).

Almost surely, 2^78922504800 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 78922504800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139487673780).

78922504800 is an abundant number, since it is smaller than the sum of its proper divisors (200052842760).

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

78922504800 is a wasteful number, since it uses less digits than its factorization.

78922504800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26606 (or 26590 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 78922504800 in words is "seventy-eight billion, nine hundred twenty-two million, five hundred four thousand, eight hundred".