26026780078 has 8 divisors (see below), whose sum is σ = 42043260168. Its totient is φ = 12012360024.

The previous prime is 26026780063. The next prime is 26026780099. The reversal of 26026780078 is 87008762062.

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

It is a super-3 number, since 3×26026780078³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 500514976 + ... + 500515027.

It is an arithmetic number, because the mean of its divisors is an integer number (5255407521).

Almost surely, 2^26026780078 is an apocalyptic number.

26026780078 is a deficient number, since it is larger than the sum of its proper divisors (16016480090).

26026780078 is a wasteful number, since it uses less digits than its factorization.

26026780078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001030018.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 26026780078 in words is "twenty-six billion, twenty-six million, seven hundred eighty thousand, seventy-eight".