87398527 has 2 divisors, whose sum is σ = 87398528. Its totient is φ = 87398526.

The previous prime is 87398503. The next prime is 87398539. The reversal of 87398527 is 72589378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87398527 - 2²³ = 79009919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87338527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43699263 + 43699264.

It is an arithmetic number, because the mean of its divisors is an integer number (43699264).

Almost surely, 2^87398527 is an apocalyptic number.

87398527 is a deficient number, since it is larger than the sum of its proper divisors (1).

87398527 is an equidigital number, since it uses as much as digits as its factorization.

87398527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 87398527 is about 9348.7179334923. The cubic root of 87398527 is about 443.7803187114.

The spelling of 87398527 in words is "eighty-seven million, three hundred ninety-eight thousand, five hundred twenty-seven".