87304433 has 2 divisors, whose sum is σ = 87304434. Its totient is φ = 87304432.

The previous prime is 87304429. The next prime is 87304439. The reversal of 87304433 is 33440378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77141089 + 10163344 = 8783^2 + 3188^2 .

It is a cyclic number.

It is not a de Polignac number, because 87304433 - 2² = 87304429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87304433.

It is not a weakly prime, because it can be changed into another prime (87304439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43652216 + 43652217.

It is an arithmetic number, because the mean of its divisors is an integer number (43652217).

Almost surely, 2^87304433 is an apocalyptic number.

It is an amenable number.

87304433 is a deficient number, since it is larger than the sum of its proper divisors (1).

87304433 is an equidigital number, since it uses as much as digits as its factorization.

87304433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 87304433 is about 9343.6841235136. The cubic root of 87304433 is about 443.6210022978.

The spelling of 87304433 in words is "eighty-seven million, three hundred four thousand, four hundred thirty-three".