172036852035 has 16 divisors (see below), whose sum is σ = 276355618560. Its totient is φ = 91387436000.

The previous prime is 172036851977. The next prime is 172036852037. The reversal of 172036852035 is 530258630271.

It is a happy number.

It is not a de Polignac number, because 172036852035 - 2¹¹ = 172036849987 is a prime.

It is a super-2 number, since 2×172036852035² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172036852037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22843095 + ... + 22850624.

It is an arithmetic number, because the mean of its divisors is an integer number (17272226160).

Almost surely, 2^172036852035 is an apocalyptic number.

172036852035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172036852035 is a deficient number, since it is larger than the sum of its proper divisors (104318766525).

172036852035 is a wasteful number, since it uses less digits than its factorization.

172036852035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45693978.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 172036852035 in words is "one hundred seventy-two billion, thirty-six million, eight hundred fifty-two thousand, thirty-five".