107638495985 has 16 divisors (see below), whose sum is σ = 131621207040. Its totient is φ = 84486476160.

The previous prime is 107638495903. The next prime is 107638495997. The reversal of 107638495985 is 589594836701.

It is not a de Polignac number, because 107638495985 - 2¹⁴ = 107638479601 is a prime.

It is a super-2 number, since 2×107638495985² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702275 + ... + 841704.

It is an arithmetic number, because the mean of its divisors is an integer number (8226325440).

Almost surely, 2^107638495985 is an apocalyptic number.

It is an amenable number.

107638495985 is a deficient number, since it is larger than the sum of its proper divisors (23982711055).

107638495985 is a wasteful number, since it uses less digits than its factorization.

107638495985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544248.

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 107638495985 in words is "one hundred seven billion, six hundred thirty-eight million, four hundred ninety-five thousand, nine hundred eighty-five".