8145447780048 has 80 divisors (see below), whose sum is σ = 21078143412480. Its totient is φ = 2710540910592.

The previous prime is 8145447780011. The next prime is 8145447780061. The reversal of 8145447780048 is 8400877445418.

It is a junction number, because it is equal to n+sod(n) for n = 8145447779973 and 8145447780000.

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, 95670265 + ... + 95755367.

It is an arithmetic number, because the mean of its divisors is an integer number (263476792656).

Almost surely, 2^{8145447780048} is an apocalyptic number.

It is an amenable number.

8145447780048 is an abundant number, since it is smaller than the sum of its proper divisors (12932695632432).

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

8145447780048 is a wasteful number, since it uses less digits than its factorization.

8145447780048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88476 (or 88470 counting only the distinct ones).

The product of its (nonzero) digits is 32112640, while the sum is 60.

The spelling of 8145447780048 in words is "eight trillion, one hundred forty-five billion, four hundred forty-seven million, seven hundred eighty thousand, forty-eight".