7916804705 has 8 divisors (see below), whose sum is σ = 9594227304. Its totient is φ = 6270736000.

The previous prime is 7916804699. The next prime is 7916804717. The reversal of 7916804705 is 5074086197.

It can be written as a sum of positive squares in 4 ways, for example, as 1620223504 + 6296581201 = 40252^2 + 79351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7916804705 - 2⁸ = 7916804449 is a prime.

It is a super-2 number, since 2×7916804705² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7916804705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7837916 + ... + 7838925.

It is an arithmetic number, because the mean of its divisors is an integer number (1199278413).

Almost surely, 2^7916804705 is an apocalyptic number.

It is an amenable number.

7916804705 is a deficient number, since it is larger than the sum of its proper divisors (1677422599).

7916804705 is a wasteful number, since it uses less digits than its factorization.

7916804705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15676947.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 7916804705 is about 88976.4278053463. The cubic root of 7916804705 is about 1993.0428860942.

The spelling of 7916804705 in words is "seven billion, nine hundred sixteen million, eight hundred four thousand, seven hundred five".