87194033 has 2 divisors, whose sum is σ = 87194034. Its totient is φ = 87194032.

The previous prime is 87194027. The next prime is 87194053. The reversal of 87194033 is 33049178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83685904 + 3508129 = 9148^2 + 1873^2 .

It is a cyclic number.

It is not a de Polignac number, because 87194033 - 2⁴ = 87194017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87193984 and 87194002.

It is not a weakly prime, because it can be changed into another prime (87194053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43597016 + 43597017.

It is an arithmetic number, because the mean of its divisors is an integer number (43597017).

Almost surely, 2^87194033 is an apocalyptic number.

It is an amenable number.

87194033 is a deficient number, since it is larger than the sum of its proper divisors (1).

87194033 is an equidigital number, since it uses as much as digits as its factorization.

87194033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 87194033 is about 9337.7745207303. The cubic root of 87194033 is about 443.4339311666.

The spelling of 87194033 in words is "eighty-seven million, one hundred ninety-four thousand, thirty-three".