100847856417 has 64 divisors (see below), whose sum is σ = 173784766464. Its totient is φ = 50495754240.

The previous prime is 100847856341. The next prime is 100847856437. The reversal of 100847856417 is 714658748001.

It is not a de Polignac number, because 100847856417 - 2¹⁴ = 100847840033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100847856417.

It is not an unprimeable number, because it can be changed into a prime (100847856437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 859393 + ... + 969665.

It is an arithmetic number, because the mean of its divisors is an integer number (2715386976).

Almost surely, 2^100847856417 is an apocalyptic number.

It is an amenable number.

100847856417 is a deficient number, since it is larger than the sum of its proper divisors (72936910047).

100847856417 is a wasteful number, since it uses less digits than its factorization.

100847856417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110438.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 100847856417 in words is "one hundred billion, eight hundred forty-seven million, eight hundred fifty-six thousand, four hundred seventeen".