8260477961 has 8 divisors (see below), whose sum is σ = 8588294400. Its totient is φ = 7936495920.

The previous prime is 8260477937. The next prime is 8260477963. The reversal of 8260477961 is 1697740628.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8260477961 is a prime.

It is a super-2 number, since 2×8260477961² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8260477963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954206 + ... + 962823.

It is an arithmetic number, because the mean of its divisors is an integer number (1073536800).

Almost surely, 2^8260477961 is an apocalyptic number.

It is an amenable number.

8260477961 is a deficient number, since it is larger than the sum of its proper divisors (327816439).

8260477961 is a wasteful number, since it uses less digits than its factorization.

8260477961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917199.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 8260477961 is about 90887.1715975362. The cubic root of 8260477961 is about 2021.4750818579.

The spelling of 8260477961 in words is "eight billion, two hundred sixty million, four hundred seventy-seven thousand, nine hundred sixty-one".