8173796690 has 16 divisors (see below), whose sum is σ = 15578295192. Its totient is φ = 3077193984.

The previous prime is 8173796669. The next prime is 8173796717. The reversal of 8173796690 is 966973718.

It can be written as a sum of positive squares in 4 ways, for example, as 6356394529 + 1817402161 = 79727^2 + 42631^2 .

It is a super-2 number, since 2×8173796690² (a number of 21 digits) contains 22 as substring.

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, 24040409 + ... + 24040748.

Almost surely, 2^8173796690 is an apocalyptic number.

8173796690 is a deficient number, since it is larger than the sum of its proper divisors (7404498502).

8173796690 is a wasteful number, since it uses less digits than its factorization.

8173796690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48081181.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 8173796690 is about 90409.0520357337. The cubic root of 8173796690 is about 2014.3794257900.

The spelling of 8173796690 in words is "eight billion, one hundred seventy-three million, seven hundred ninety-six thousand, six hundred ninety".