87722603 has 2 divisors, whose sum is σ = 87722604. Its totient is φ = 87722602.

The previous prime is 87722573. The next prime is 87722611. The reversal of 87722603 is 30622778.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87722603 - 2⁸ = 87722347 is a prime.

It is not a weakly prime, because it can be changed into another prime (87722003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43861301 + 43861302.

It is an arithmetic number, because the mean of its divisors is an integer number (43861302).

Almost surely, 2^87722603 is an apocalyptic number.

87722603 is a deficient number, since it is larger than the sum of its proper divisors (1).

87722603 is an equidigital number, since it uses as much as digits as its factorization.

87722603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 87722603 is about 9366.0345397612. The cubic root of 87722603 is about 444.3281584360.

The spelling of 87722603 in words is "eighty-seven million, seven hundred twenty-two thousand, six hundred three".