172094897 has 6 divisors (see below), whose sum is σ = 186351462. Its totient is φ = 158856672.

The previous prime is 172094891. The next prime is 172094929. The reversal of 172094897 is 798490271.

172094897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5400976 + 166693921 = 2324^2 + 12911^2 .

It is not a de Polignac number, because 172094897 - 2⁶ = 172094833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172094891) 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, 508988 + ... + 509325.

It is an arithmetic number, because the mean of its divisors is an integer number (31058577).

Almost surely, 2^172094897 is an apocalyptic number.

It is an amenable number.

172094897 is a deficient number, since it is larger than the sum of its proper divisors (14256565).

172094897 is a wasteful number, since it uses less digits than its factorization.

172094897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018339 (or 1018326 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 172094897 is about 13118.4944639238. The cubic root of 172094897 is about 556.2320350719.

The spelling of 172094897 in words is "one hundred seventy-two million, ninety-four thousand, eight hundred ninety-seven".