47161172707 has 4 divisors (see below), whose sum is σ = 51448552056. Its totient is φ = 42873793360.

The previous prime is 47161172683. The next prime is 47161172711. The reversal of 47161172707 is 70727116174.

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

It is a cyclic number.

It is not a de Polignac number, because 47161172707 - 2³⁵ = 12801434339 is a prime.

It is a super-2 number, since 2×47161172707² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47161172407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143689658 + ... + 2143689679.

It is an arithmetic number, because the mean of its divisors is an integer number (12862138014).

Almost surely, 2^47161172707 is an apocalyptic number.

47161172707 is a deficient number, since it is larger than the sum of its proper divisors (4287379349).

47161172707 is a wasteful number, since it uses less digits than its factorization.

47161172707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287379348.

The product of its (nonzero) digits is 115248, while the sum is 43.

The spelling of 47161172707 in words is "forty-seven billion, one hundred sixty-one million, one hundred seventy-two thousand, seven hundred seven".