26790482556778 has 8 divisors (see below), whose sum is σ = 42549589943172. Its totient is φ = 12607285909056.

The previous prime is 26790482556769. The next prime is 26790482556787. The reversal of 26790482556778 is 87765528409762.

It is an interprime number because it is at equal distance from previous prime (26790482556769) and next prime (26790482556787).

It can be written as a sum of positive squares in 2 ways, for example, as 26779041473409 + 11441083369 = 5174847^2 + 106963^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393977684625 + ... + 393977684692.

Almost surely, 2^{26790482556778} is an apocalyptic number.

26790482556778 is a deficient number, since it is larger than the sum of its proper divisors (15759107386394).

26790482556778 is a wasteful number, since it uses less digits than its factorization.

26790482556778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787955369336.

The product of its (nonzero) digits is 2844979200, while the sum is 76.

The spelling of 26790482556778 in words is "twenty-six trillion, seven hundred ninety billion, four hundred eighty-two million, five hundred fifty-six thousand, seven hundred seventy-eight".