26778752876554 has 24 divisors (see below), whose sum is σ = 46726414787808. Its totient is φ = 11476553470200.

The previous prime is 26778752876549. The next prime is 26778752876587. The reversal of 26778752876554 is 45567825787762.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25076829 + ... + 26122879.

It is an arithmetic number, because the mean of its divisors is an integer number (1946933949492).

Almost surely, 2^{26778752876554} is an apocalyptic number.

26778752876554 is a deficient number, since it is larger than the sum of its proper divisors (19947661911254).

26778752876554 is a wasteful number, since it uses less digits than its factorization.

26778752876554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307290 (or 1307283 counting only the distinct ones).

The product of its digits is 11063808000, while the sum is 79.

The spelling of 26778752876554 in words is "twenty-six trillion, seven hundred seventy-eight billion, seven hundred fifty-two million, eight hundred seventy-six thousand, five hundred fifty-four".