1772894914728 has 192 divisors, whose sum is σ = 5302313280000. Its totient is φ = 492272339328.

The previous prime is 1772894914727. The next prime is 1772894914759. The reversal of 1772894914728 is 8274194982771.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1772894914723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9974943 + ... + 10151121.

It is an arithmetic number, because the mean of its divisors is an integer number (27616215000).

Almost surely, 2^{1772894914728} 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 1772894914728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2651156640000).

1772894914728 is an abundant number, since it is smaller than the sum of its proper divisors (3529418365272).

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

1772894914728 is a wasteful number, since it uses less digits than its factorization.

1772894914728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176444 (or 176433 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 69.

The spelling of 1772894914728 in words is "one trillion, seven hundred seventy-two billion, eight hundred ninety-four million, nine hundred fourteen thousand, seven hundred twenty-eight".