78922294480 has 80 divisors (see below), whose sum is σ = 184443797520. Its totient is φ = 31405899776.

The previous prime is 78922294463. The next prime is 78922294483. The reversal of 78922294480 is 8449222987.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7998082624 + 70924211856 = 89432^2 + 266316^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78922294483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20085156 + ... + 20089084.

It is an arithmetic number, because the mean of its divisors is an integer number (2305547469).

Almost surely, 2^78922294480 is an apocalyptic number.

It is an amenable number.

78922294480 is an abundant number, since it is smaller than the sum of its proper divisors (105521503040).

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

78922294480 is a wasteful number, since it uses less digits than its factorization.

78922294480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 78922294480 in words is "seventy-eight billion, nine hundred twenty-two million, two hundred ninety-four thousand, four hundred eighty".