1086621008647 has 12 divisors (see below), whose sum is σ = 1093190263128. Its totient is φ = 1080090856800.

The previous prime is 1086621008639. The next prime is 1086621008659. The reversal of 1086621008647 is 7468001266801.

It is not a de Polignac number, because 1086621008647 - 2³ = 1086621008639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1086621008647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086621008687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78979893 + ... + 78993649.

It is an arithmetic number, because the mean of its divisors is an integer number (91099188594).

Almost surely, 2^{1086621008647} is an apocalyptic number.

1086621008647 is a deficient number, since it is larger than the sum of its proper divisors (6569254481).

1086621008647 is an equidigital number, since it uses as much as digits as its factorization.

1086621008647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16530 (or 16349 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 1086621008647 in words is "one trillion, eighty-six billion, six hundred twenty-one million, eight thousand, six hundred forty-seven".