8261955275 has 24 divisors (see below), whose sum is σ = 11718324384. Its totient is φ = 5660524800.

The previous prime is 8261955271. The next prime is 8261955287. The reversal of 8261955275 is 5725591628.

It is not a de Polignac number, because 8261955275 - 2² = 8261955271 is a prime.

It is a super-2 number, since 2×8261955275² (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 (8261955271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192815 + ... + 231735.

It is an arithmetic number, because the mean of its divisors is an integer number (488263516).

Almost surely, 2^8261955275 is an apocalyptic number.

8261955275 is a deficient number, since it is larger than the sum of its proper divisors (3456369109).

8261955275 is a wasteful number, since it uses less digits than its factorization.

8261955275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40151 (or 40146 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 50.

The square root of 8261955275 is about 90895.2984207654. The cubic root of 8261955275 is about 2021.5955823683.

The spelling of 8261955275 in words is "eight billion, two hundred sixty-one million, nine hundred fifty-five thousand, two hundred seventy-five".