87473527 has 2 divisors, whose sum is σ = 87473528. Its totient is φ = 87473526.

The previous prime is 87473521. The next prime is 87473539. The reversal of 87473527 is 72537478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87473527 - 2¹¹ = 87471479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87473521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43736763 + 43736764.

It is an arithmetic number, because the mean of its divisors is an integer number (43736764).

Almost surely, 2^87473527 is an apocalyptic number.

87473527 is a deficient number, since it is larger than the sum of its proper divisors (1).

87473527 is an equidigital number, since it uses as much as digits as its factorization.

87473527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 43.

The square root of 87473527 is about 9352.7283185175. The cubic root of 87473527 is about 443.9072240074.

The spelling of 87473527 in words is "eighty-seven million, four hundred seventy-three thousand, five hundred twenty-seven".