117804705 has 16 divisors (see below), whose sum is σ = 190320000. Its totient is φ = 62218368.

The previous prime is 117804703. The next prime is 117804719. The reversal of 117804705 is 507408711.

It is not a de Polignac number, because 117804705 - 2¹ = 117804703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117804703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36580 + ... + 39669.

It is an arithmetic number, because the mean of its divisors is an integer number (11895000).

Almost surely, 2^117804705 is an apocalyptic number.

117804705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117804705 is a deficient number, since it is larger than the sum of its proper divisors (72515295).

117804705 is a wasteful number, since it uses less digits than its factorization.

117804705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76360.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 117804705 is about 10853.7875877502. The cubic root of 117804705 is about 490.2160715815.

The spelling of 117804705 in words is "one hundred seventeen million, eight hundred four thousand, seven hundred five".