261727375109470 has 16 divisors (see below), whose sum is σ = 471188599984080. Its totient is φ = 104673322313344.

The previous prime is 261727375109467. The next prime is 261727375109471. The reversal of 261727375109470 is 74901573727162.

It is a junction number, because it is equal to n+sod(n) for n = 261727375109399 and 261727375109408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261727375109471) 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, 2203403947 + ... + 2203522726.

It is an arithmetic number, because the mean of its divisors is an integer number (29449287499005).

Almost surely, 2^{261727375109470} is an apocalyptic number.

261727375109470 is a deficient number, since it is larger than the sum of its proper divisors (209461224874610).

261727375109470 is a wasteful number, since it uses less digits than its factorization.

261727375109470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406932619.

The product of its (nonzero) digits is 31116960, while the sum is 61.

The spelling of 261727375109470 in words is "two hundred sixty-one trillion, seven hundred twenty-seven billion, three hundred seventy-five million, one hundred nine thousand, four hundred seventy".