87266527 has 2 divisors, whose sum is σ = 87266528. Its totient is φ = 87266526.

The previous prime is 87266503. The next prime is 87266537. The reversal of 87266527 is 72566278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87266527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87266537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43633263 + 43633264.

It is an arithmetic number, because the mean of its divisors is an integer number (43633264).

Almost surely, 2^87266527 is an apocalyptic number.

87266527 is a deficient number, since it is larger than the sum of its proper divisors (1).

87266527 is an equidigital number, since it uses as much as digits as its factorization.

87266527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 87266527 is about 9341.6554742722. The cubic root of 87266527 is about 443.5567889414.

The spelling of 87266527 in words is "eighty-seven million, two hundred sixty-six thousand, five hundred twenty-seven".