880078721445 has 48 divisors (see below), whose sum is σ = 1901884413312. Its totient is φ = 365746999680.

The previous prime is 880078721443. The next prime is 880078721453. The reversal of 880078721445 is 544127870088.

880078721445 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 880078721445 - 2¹ = 880078721443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 880078721391 and 880078721400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880078721443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126992022 + ... + 126998951.

It is an arithmetic number, because the mean of its divisors is an integer number (39622591944).

Almost surely, 2^880078721445 is an apocalyptic number.

It is an amenable number.

880078721445 is an abundant number, since it is smaller than the sum of its proper divisors (1021805691867).

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

880078721445 is a wasteful number, since it uses less digits than its factorization.

880078721445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253991002 (or 253990999 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 54.

The spelling of 880078721445 in words is "eight hundred eighty billion, seventy-eight million, seven hundred twenty-one thousand, four hundred forty-five".