2783447424072 has 128 divisors (see below), whose sum is σ = 9356125881600. Its totient is φ = 748490056704.

The previous prime is 2783447424071. The next prime is 2783447424103. The reversal of 2783447424072 is 2704247443872.

2783447424072 is a `hidden beast` number, since 2 + 7 + 83 + 4 + 474 + 24 + 0 + 72 = 666.

It is a super-2 number, since 2×2783447424072² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2783447424071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54118543 + ... + 54169950.

It is an arithmetic number, because the mean of its divisors is an integer number (73094733450).

Almost surely, 2^{2783447424072} is an apocalyptic number.

It is an amenable number.

2783447424072 is an abundant number, since it is smaller than the sum of its proper divisors (6572678457528).

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

2783447424072 is a wasteful number, since it uses less digits than its factorization.

2783447424072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108288532 (or 108288522 counting only the distinct ones).

The product of its (nonzero) digits is 16859136, while the sum is 54.

The spelling of 2783447424072 in words is "two trillion, seven hundred eighty-three billion, four hundred forty-seven million, four hundred twenty-four thousand, seventy-two".