86890033 has 2 divisors, whose sum is σ = 86890034. Its totient is φ = 86890032.

The previous prime is 86890019. The next prime is 86890049. The reversal of 86890033 is 33009868.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74166544 + 12723489 = 8612^2 + 3567^2 .

It is a cyclic number.

It is not a de Polignac number, because 86890033 - 2⁹ = 86889521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86889974 and 86890001.

It is not a weakly prime, because it can be changed into another prime (86893033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43445016 + 43445017.

It is an arithmetic number, because the mean of its divisors is an integer number (43445017).

Almost surely, 2^86890033 is an apocalyptic number.

It is an amenable number.

86890033 is a deficient number, since it is larger than the sum of its proper divisors (1).

86890033 is an equidigital number, since it uses as much as digits as its factorization.

86890033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 86890033 is about 9321.4823391991. The cubic root of 86890033 is about 442.9179903460.

The spelling of 86890033 in words is "eighty-six million, eight hundred ninety thousand, thirty-three".