10005499087 has 2 divisors, whose sum is σ = 10005499088. Its totient is φ = 10005499086.

The previous prime is 10005499067. The next prime is 10005499093. The reversal of 10005499087 is 78099450001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10005499087 is a prime.

It is a super-2 number, since 2×10005499087² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10005499027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002749543 + 5002749544.

It is an arithmetic number, because the mean of its divisors is an integer number (5002749544).

Almost surely, 2^10005499087 is an apocalyptic number.

10005499087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10005499087 is an equidigital number, since it uses as much as digits as its factorization.

10005499087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 10005499087 in words is "ten billion, five million, four hundred ninety-nine thousand, eighty-seven".