87006047 has 2 divisors, whose sum is σ = 87006048. Its totient is φ = 87006046.

The previous prime is 87006013. The next prime is 87006067. The reversal of 87006047 is 74060078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87006047 - 2¹² = 87001951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87006067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43503023 + 43503024.

It is an arithmetic number, because the mean of its divisors is an integer number (43503024).

Almost surely, 2^87006047 is an apocalyptic number.

87006047 is a deficient number, since it is larger than the sum of its proper divisors (1).

87006047 is an equidigital number, since it uses as much as digits as its factorization.

87006047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 87006047 is about 9327.7032006813. The cubic root of 87006047 is about 443.1150280407.

The spelling of 87006047 in words is "eighty-seven million, six thousand, forty-seven".