87603401 has 2 divisors, whose sum is σ = 87603402. Its totient is φ = 87603400.

The previous prime is 87603367. The next prime is 87603407. The reversal of 87603401 is 10430678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76387600 + 11215801 = 8740^2 + 3349^2 .

It is a cyclic number.

It is not a de Polignac number, because 87603401 - 2²² = 83409097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87603407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43801700 + 43801701.

It is an arithmetic number, because the mean of its divisors is an integer number (43801701).

Almost surely, 2^87603401 is an apocalyptic number.

It is an amenable number.

87603401 is a deficient number, since it is larger than the sum of its proper divisors (1).

87603401 is an equidigital number, since it uses as much as digits as its factorization.

87603401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 87603401 is about 9359.6688509797. The cubic root of 87603401 is about 444.1268085296.

The spelling of 87603401 in words is "eighty-seven million, six hundred three thousand, four hundred one".