261552376674763 has 8 divisors (see below), whose sum is σ = 270394113699248. Its totient is φ = 252836054360064.

The previous prime is 261552376674749. The next prime is 261552376674767. The reversal of 261552376674763 is 367476673255162.

261552376674763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 261552376674763 - 2²⁵ = 261552343120331 is a prime.

It is a super-2 number, since 2×261552376674763² (a number of 30 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 = 261552376674692 and 261552376674701.

It is not an unprimeable number, because it can be changed into a prime (261552376674767) 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, 31353673206 + ... + 31353681547.

It is an arithmetic number, because the mean of its divisors is an integer number (33799264212406).

Almost surely, 2^{261552376674763} is an apocalyptic number.

261552376674763 is a deficient number, since it is larger than the sum of its proper divisors (8841737024485).

261552376674763 is an equidigital number, since it uses as much as digits as its factorization.

261552376674763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62707354893.

The product of its digits is 1600300800, while the sum is 70.

The spelling of 261552376674763 in words is "two hundred sixty-one trillion, five hundred fifty-two billion, three hundred seventy-six million, six hundred seventy-four thousand, seven hundred sixty-three".