26959785985 has 16 divisors (see below), whose sum is σ = 35635466880. Its totient is φ = 19416752640.

The previous prime is 26959785977. The next prime is 26959786069. The reversal of 26959785985 is 58958795962.

It is not a de Polignac number, because 26959785985 - 2³ = 26959785977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2373840 + ... + 2385169.

It is an arithmetic number, because the mean of its divisors is an integer number (2227216680).

Almost surely, 2^26959785985 is an apocalyptic number.

It is an amenable number.

26959785985 is a deficient number, since it is larger than the sum of its proper divisors (8675680895).

26959785985 is a wasteful number, since it uses less digits than its factorization.

26959785985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759128.

The product of its digits is 489888000, while the sum is 73.

The spelling of 26959785985 in words is "twenty-six billion, nine hundred fifty-nine million, seven hundred eighty-five thousand, nine hundred eighty-five".