16001000087 has 2 divisors, whose sum is σ = 16001000088. Its totient is φ = 16001000086.

The previous prime is 16001000053. The next prime is 16001000107. The reversal of 16001000087 is 78000010061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16001000087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16001000027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000500043 + 8000500044.

It is an arithmetic number, because the mean of its divisors is an integer number (8000500044).

Almost surely, 2^16001000087 is an apocalyptic number.

16001000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

16001000087 is an equidigital number, since it uses as much as digits as its factorization.

16001000087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The spelling of 16001000087 in words is "sixteen billion, one million, eighty-seven", and thus it is an aban number and an uban number.