1780996048276 has 18 divisors (see below), whose sum is σ = 3310865493278. Its totient is φ = 838115786880.

The previous prime is 1780996048213. The next prime is 1780996048277. The reversal of 1780996048276 is 6728406990871.

It can be written as a sum of positive squares in 3 ways, for example, as 829239711876 + 951756336400 = 910626^2 + 975580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1780996048277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 770325855 + ... + 770328166.

Almost surely, 2^{1780996048276} is an apocalyptic number.

It is an amenable number.

1780996048276 is a deficient number, since it is larger than the sum of its proper divisors (1529869445002).

1780996048276 is a wasteful number, since it uses less digits than its factorization.

1780996048276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540654059 (or 1540654040 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 1780996048276 in words is "one trillion, seven hundred eighty billion, nine hundred ninety-six million, forty-eight thousand, two hundred seventy-six".