26747457182978 has 48 divisors (see below), whose sum is σ = 46758239781120. Its totient is φ = 11441915964864.

The previous prime is 26747457182861. The next prime is 26747457182987. The reversal of 26747457182978 is 87928175474762.

It is a junction number, because it is equal to n+sod(n) for n = 26747457182899 and 26747457182908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 810930275 + ... + 810963257.

It is an arithmetic number, because the mean of its divisors is an integer number (974129995440).

Almost surely, 2^{26747457182978} is an apocalyptic number.

26747457182978 is a deficient number, since it is larger than the sum of its proper divisors (20010782598142).

26747457182978 is a wasteful number, since it uses less digits than its factorization.

26747457182978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48111 (or 48104 counting only the distinct ones).

The product of its digits is 2655313920, while the sum is 77.

The spelling of 26747457182978 in words is "twenty-six trillion, seven hundred forty-seven billion, four hundred fifty-seven million, one hundred eighty-two thousand, nine hundred seventy-eight".