10647100087 has 4 divisors (see below), whose sum is σ = 11466107800. Its totient is φ = 9828092376.

The previous prime is 10647100081. The next prime is 10647100099. The reversal of 10647100087 is 78000174601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10647100087 is a prime.

It is a super-2 number, since 2×10647100087² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10647100081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409503837 + ... + 409503862.

It is an arithmetic number, because the mean of its divisors is an integer number (2866526950).

Almost surely, 2^10647100087 is an apocalyptic number.

10647100087 is a deficient number, since it is larger than the sum of its proper divisors (819007713).

10647100087 is an equidigital number, since it uses as much as digits as its factorization.

10647100087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819007712.

The product of its (nonzero) digits is 9408, while the sum is 34.

Adding to 10647100087 its reverse (78000174601), we get a palindrome (88647274688).

The spelling of 10647100087 in words is "ten billion, six hundred forty-seven million, one hundred thousand, eighty-seven".