261467358797 has 4 divisors (see below), whose sum is σ = 261607407456. Its totient is φ = 261327310140.

The previous prime is 261467358787. The next prime is 261467358833. The reversal of 261467358797 is 797853764162.

261467358797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 261467358797 - 2⁸ = 261467358541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261467358787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70021529 + ... + 70025262.

It is an arithmetic number, because the mean of its divisors is an integer number (65401851864).

Almost surely, 2^261467358797 is an apocalyptic number.

It is an amenable number.

261467358797 is a deficient number, since it is larger than the sum of its proper divisors (140048659).

261467358797 is a wasteful number, since it uses less digits than its factorization.

261467358797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140048658.

The product of its digits is 106686720, while the sum is 65.

The spelling of 261467358797 in words is "two hundred sixty-one billion, four hundred sixty-seven million, three hundred fifty-eight thousand, seven hundred ninety-seven".