177113973893 has 2 divisors, whose sum is σ = 177113973894. Its totient is φ = 177113973892.

The previous prime is 177113973851. The next prime is 177113973931. The reversal of 177113973893 is 398379311771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157921196449 + 19192777444 = 397393^2 + 138538^2 .

It is a cyclic number.

It is not a de Polignac number, because 177113973893 - 2¹² = 177113969797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (177113970893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88556986946 + 88556986947.

It is an arithmetic number, because the mean of its divisors is an integer number (88556986947).

Almost surely, 2^177113973893 is an apocalyptic number.

It is an amenable number.

177113973893 is a deficient number, since it is larger than the sum of its proper divisors (1).

177113973893 is an equidigital number, since it uses as much as digits as its factorization.

177113973893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6001128, while the sum is 59.

The spelling of 177113973893 in words is "one hundred seventy-seven billion, one hundred thirteen million, nine hundred seventy-three thousand, eight hundred ninety-three".