26479155558959 has 8 divisors (see below), whose sum is σ = 28128509046000. Its totient is φ = 24855373444032.

The previous prime is 26479155558937. The next prime is 26479155558967. The reversal of 26479155558959 is 95985555197462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26479155558959 is a prime.

It is a super-2 number, since 2×26479155558959² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26479155558259) 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, 6392840894 + ... + 6392845035.

It is an arithmetic number, because the mean of its divisors is an integer number (3516063630750).

Almost surely, 2^{26479155558959} is an apocalyptic number.

26479155558959 is a deficient number, since it is larger than the sum of its proper divisors (1649353487041).

26479155558959 is a wasteful number, since it uses less digits than its factorization.

26479155558959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785686057.

The product of its digits is 6123600000, while the sum is 80.

The spelling of 26479155558959 in words is "twenty-six trillion, four hundred seventy-nine billion, one hundred fifty-five million, five hundred fifty-eight thousand, nine hundred fifty-nine".