7947161041 has 4 divisors (see below), whose sum is σ = 7949157300. Its totient is φ = 7945164784.

The previous prime is 7947161039. The next prime is 7947161087. The reversal of 7947161041 is 1401617497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1401617497 = 7 ⋅200231071.

It can be written as a sum of positive squares in 2 ways, for example, as 2036626641 + 5910534400 = 45129^2 + 76880^2 .

It is a cyclic number.

It is not a de Polignac number, because 7947161041 - 2¹ = 7947161039 is a prime.

It is a super-2 number, since 2×7947161041² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7947160985 and 7947161003.

It is not an unprimeable number, because it can be changed into a prime (7947161011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992146 + ... + 1000123.

It is an arithmetic number, because the mean of its divisors is an integer number (1987289325).

Almost surely, 2^7947161041 is an apocalyptic number.

It is an amenable number.

7947161041 is a deficient number, since it is larger than the sum of its proper divisors (1996259).

7947161041 is a wasteful number, since it uses less digits than its factorization.

7947161041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996258.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 7947161041 is about 89146.8509875699. The cubic root of 7947161041 is about 1995.5870233971.

The spelling of 7947161041 in words is "seven billion, nine hundred forty-seven million, one hundred sixty-one thousand, forty-one".