10487227338891 has 12 divisors (see below), whose sum is σ = 15148301805832. Its totient is φ = 6991445874816.

The previous prime is 10487227338857. The next prime is 10487227338919. The reversal of 10487227338891 is 19883372278401.

10487227338891 is a `hidden beast` number, since 1 + 0 + 4 + 87 + 22 + 73 + 388 + 91 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-10487227338891 is a prime.

It is a super-2 number, since 2×10487227338891² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10487227378891) 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, 1499521 + ... + 4819026.

Almost surely, 2^{10487227338891} is an apocalyptic number.

10487227338891 is a deficient number, since it is larger than the sum of its proper divisors (4661074466941).

10487227338891 is a wasteful number, since it uses less digits than its factorization.

10487227338891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502970 (or 6502967 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 10487227338891 in words is "ten trillion, four hundred eighty-seven billion, two hundred twenty-seven million, three hundred thirty-eight thousand, eight hundred ninety-one".