9906256107 has 24 divisors (see below), whose sum is σ = 15972884928. Its totient is φ = 5864166000.

The previous prime is 9906256103. The next prime is 9906256117. The reversal of 9906256107 is 7016526099.

It is a happy number.

9906256107 is a `hidden beast` number, since 9 + 9 + 0 + 6 + 25 + 610 + 7 = 666.

It is not a de Polignac number, because 9906256107 - 2² = 9906256103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9906256103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1159269 + ... + 1167782.

It is an arithmetic number, because the mean of its divisors is an integer number (665536872).

Almost surely, 2^9906256107 is an apocalyptic number.

9906256107 is a deficient number, since it is larger than the sum of its proper divisors (6066628821).

9906256107 is a wasteful number, since it uses less digits than its factorization.

9906256107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327111 (or 2327108 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 9906256107 is about 99530.1768661143. The cubic root of 9906256107 is about 2147.6813732881.

The spelling of 9906256107 in words is "nine billion, nine hundred six million, two hundred fifty-six thousand, one hundred seven".