87016847 has 2 divisors, whose sum is σ = 87016848. Its totient is φ = 87016846.

The previous prime is 87016837. The next prime is 87016861. The reversal of 87016847 is 74861078.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87016847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87016807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43508423 + 43508424.

It is an arithmetic number, because the mean of its divisors is an integer number (43508424).

Almost surely, 2^87016847 is an apocalyptic number.

87016847 is a deficient number, since it is larger than the sum of its proper divisors (1).

87016847 is an equidigital number, since it uses as much as digits as its factorization.

87016847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 87016847 is about 9328.2821033672. The cubic root of 87016847 is about 443.1333618020.

The spelling of 87016847 in words is "eighty-seven million, sixteen thousand, eight hundred forty-seven".