1720077246671 has 12 divisors (see below), whose sum is σ = 2003241013488. Its totient is φ = 1472631525792.

The previous prime is 1720077246661. The next prime is 1720077246673. The reversal of 1720077246671 is 1766427700271.

It is not a de Polignac number, because 1720077246671 - 2⁶ = 1720077246607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720077246673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20438531 + ... + 20522516.

It is an arithmetic number, because the mean of its divisors is an integer number (166936751124).

Almost surely, 2^{1720077246671} is an apocalyptic number.

1720077246671 is a deficient number, since it is larger than the sum of its proper divisors (283163766817).

1720077246671 is an equidigital number, since it uses as much as digits as its factorization.

1720077246671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40961918 (or 40961911 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 50.

The spelling of 1720077246671 in words is "one trillion, seven hundred twenty billion, seventy-seven million, two hundred forty-six thousand, six hundred seventy-one".