8019797706 has 12 divisors (see below), whose sum is σ = 17376228402. Its totient is φ = 2673265896.

The previous prime is 8019797699. The next prime is 8019797717. The reversal of 8019797706 is 6077979108.

It can be written as a sum of positive squares in only one way, i.e., 4762242081 + 3257555625 = 69009^2 + 57075^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222772141 + ... + 222772176.

Almost surely, 2^8019797706 is an apocalyptic number.

8019797706 is an abundant number, since it is smaller than the sum of its proper divisors (9356430696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8019797706 is a wasteful number, since it uses less digits than its factorization.

8019797706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445544325 (or 445544322 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 8019797706 is about 89553.3232549189. The cubic root of 8019797706 is about 2001.6484497667.

The spelling of 8019797706 in words is "eight billion, nineteen million, seven hundred ninety-seven thousand, seven hundred six".