172877093 has 2 divisors, whose sum is σ = 172877094. Its totient is φ = 172877092.

The previous prime is 172877087. The next prime is 172877113. The reversal of 172877093 is 390778271.

172877093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100661089 + 72216004 = 10033^2 + 8498^2 .

It is a cyclic number.

It is not a de Polignac number, because 172877093 - 2⁴ = 172877077 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172877083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86438546 + 86438547.

It is an arithmetic number, because the mean of its divisors is an integer number (86438547).

Almost surely, 2^172877093 is an apocalyptic number.

It is an amenable number.

172877093 is a deficient number, since it is larger than the sum of its proper divisors (1).

172877093 is an equidigital number, since it uses as much as digits as its factorization.

172877093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 172877093 is about 13148.2733847452. The cubic root of 172877093 is about 557.0734796647.

The spelling of 172877093 in words is "one hundred seventy-two million, eight hundred seventy-seven thousand, ninety-three".