87607571 has 2 divisors, whose sum is σ = 87607572. Its totient is φ = 87607570.

The previous prime is 87607567. The next prime is 87607573. The reversal of 87607571 is 17570678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87607571 - 2² = 87607567 is a prime.

Together with 87607573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87607573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43803785 + 43803786.

It is an arithmetic number, because the mean of its divisors is an integer number (43803786).

Almost surely, 2^87607571 is an apocalyptic number.

87607571 is a deficient number, since it is larger than the sum of its proper divisors (1).

87607571 is an equidigital number, since it uses as much as digits as its factorization.

87607571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 87607571 is about 9359.8916126203. The cubic root of 87607571 is about 444.1338553618.

The spelling of 87607571 in words is "eighty-seven million, six hundred seven thousand, five hundred seventy-one".