261860793058 has 8 divisors (see below), whose sum is σ = 394552585728. Its totient is φ = 130343264484.

The previous prime is 261860793049. The next prime is 261860793059. The reversal of 261860793058 is 850397068162.

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

It is a super-3 number, since 3×261860793058³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (261860793059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293565466 + ... + 293566357.

It is an arithmetic number, because the mean of its divisors is an integer number (49319073216).

Almost surely, 2^261860793058 is an apocalyptic number.

261860793058 is a deficient number, since it is larger than the sum of its proper divisors (132691792670).

261860793058 is a wasteful number, since it uses less digits than its factorization.

261860793058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587132048.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 261860793058 in words is "two hundred sixty-one billion, eight hundred sixty million, seven hundred ninety-three thousand, fifty-eight".