8070717961 has 4 divisors (see below), whose sum is σ = 8100720900. Its totient is φ = 8040715024.

The previous prime is 8070717943. The next prime is 8070718043. The reversal of 8070717961 is 1697170708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1617648400 + 6453069561 = 40220^2 + 80331^2 .

It is a cyclic number.

It is not a de Polignac number, because 8070717961 - 2⁵ = 8070717929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8070717901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15001066 + ... + 15001603.

It is an arithmetic number, because the mean of its divisors is an integer number (2025180225).

Almost surely, 2^8070717961 is an apocalyptic number.

It is an amenable number.

8070717961 is a deficient number, since it is larger than the sum of its proper divisors (30002939).

8070717961 is a wasteful number, since it uses less digits than its factorization.

8070717961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30002938.

The product of its (nonzero) digits is 148176, while the sum is 46.

The square root of 8070717961 is about 89837.1747162610. The cubic root of 8070717961 is about 2005.8758835073.

The spelling of 8070717961 in words is "eight billion, seventy million, seven hundred seventeen thousand, nine hundred sixty-one".