260488399679 has 4 divisors (see below), whose sum is σ = 260490106800. Its totient is φ = 260486692560.

The previous prime is 260488399607. The next prime is 260488399711. The reversal of 260488399679 is 976993884062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260488399679 - 2¹⁶ = 260488334143 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 (260488392679) 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, 599462 + ... + 938259.

It is an arithmetic number, because the mean of its divisors is an integer number (65122526700).

Almost surely, 2^260488399679 is an apocalyptic number.

260488399679 is a deficient number, since it is larger than the sum of its proper divisors (1707121).

260488399679 is a wasteful number, since it uses less digits than its factorization.

260488399679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707120.

The product of its (nonzero) digits is 282175488, while the sum is 71.

The spelling of 260488399679 in words is "two hundred sixty billion, four hundred eighty-eight million, three hundred ninety-nine thousand, six hundred seventy-nine".