26396776945705 has 8 divisors (see below), whose sum is σ = 31676857103304. Its totient is φ = 21116938377600.

The previous prime is 26396776945699. The next prime is 26396776945729. The reversal of 26396776945705 is 50754967769362.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7193424387136 + 19203352558569 = 2682056^2 + 4382163^2 .

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

It is not a de Polignac number, because 26396776945705 - 2⁷ = 26396776945577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60156906 + ... + 60594115.

It is an arithmetic number, because the mean of its divisors is an integer number (3959607137913).

Almost surely, 2^{26396776945705} is an apocalyptic number.

It is an amenable number.

26396776945705 is a deficient number, since it is larger than the sum of its proper divisors (5280080157599).

26396776945705 is a wasteful number, since it uses less digits than its factorization.

26396776945705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120794747.

The product of its (nonzero) digits is 3600676800, while the sum is 76.

The spelling of 26396776945705 in words is "twenty-six trillion, three hundred ninety-six billion, seven hundred seventy-six million, nine hundred forty-five thousand, seven hundred five".