87072472033 has 2 divisors, whose sum is σ = 87072472034. Its totient is φ = 87072472032.

The previous prime is 87072472009. The next prime is 87072472063. The reversal of 87072472033 is 33027427078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80515197504 + 6557274529 = 283752^2 + 80977^2 .

It is a cyclic number.

It is not a de Polignac number, because 87072472033 - 2²⁵ = 87038917601 is a prime.

It is not a weakly prime, because it can be changed into another prime (87072472063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43536236016 + 43536236017.

It is an arithmetic number, because the mean of its divisors is an integer number (43536236017).

Almost surely, 2^87072472033 is an apocalyptic number.

It is an amenable number.

87072472033 is a deficient number, since it is larger than the sum of its proper divisors (1).

87072472033 is an equidigital number, since it uses as much as digits as its factorization.

87072472033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 87072472033 in words is "eighty-seven billion, seventy-two million, four hundred seventy-two thousand, thirty-three".