891806114886 has 16 divisors (see below), whose sum is σ = 1786065625344. Its totient is φ = 296859805704.

The previous prime is 891806114851. The next prime is 891806114891. The reversal of 891806114886 is 688411608198.

891806114886 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×891806114886² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102220090 + ... + 102228813.

It is an arithmetic number, because the mean of its divisors is an integer number (111629101584).

Almost surely, 2^891806114886 is an apocalyptic number.

891806114886 is an abundant number, since it is smaller than the sum of its proper divisors (894259510458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

891806114886 is a wasteful number, since it uses less digits than its factorization.

891806114886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204449635.

The product of its (nonzero) digits is 5308416, while the sum is 60.

The spelling of 891806114886 in words is "eight hundred ninety-one billion, eight hundred six million, one hundred fourteen thousand, eight hundred eighty-six".