26471047278 has 32 divisors (see below), whose sum is σ = 57795597216. Its totient is φ = 8033361408.

The previous prime is 26471047243. The next prime is 26471047279. The reversal of 26471047278 is 87274017462.

It is a super-2 number, since 2×26471047278² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26471047279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318775 + ... + 2330162.

It is an arithmetic number, because the mean of its divisors is an integer number (1806112413).

Almost surely, 2^26471047278 is an apocalyptic number.

26471047278 is an abundant number, since it is smaller than the sum of its proper divisors (31324549938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26471047278 is a wasteful number, since it uses less digits than its factorization.

26471047278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649028.

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 26471047278 in words is "twenty-six billion, four hundred seventy-one million, forty-seven thousand, two hundred seventy-eight".