87488497 has 2 divisors, whose sum is σ = 87488498. Its totient is φ = 87488496.

The previous prime is 87488491. The next prime is 87488519. The reversal of 87488497 is 79488478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70711281 + 16777216 = 8409^2 + 4096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87488497 is a prime.

It is not a weakly prime, because it can be changed into another prime (87488491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43744248 + 43744249.

It is an arithmetic number, because the mean of its divisors is an integer number (43744249).

Almost surely, 2^87488497 is an apocalyptic number.

It is an amenable number.

87488497 is a deficient number, since it is larger than the sum of its proper divisors (1).

87488497 is an equidigital number, since it uses as much as digits as its factorization.

87488497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 55.

The square root of 87488497 is about 9353.5285855125. The cubic root of 87488497 is about 443.9325456192.

The spelling of 87488497 in words is "eighty-seven million, four hundred eighty-eight thousand, four hundred ninety-seven".