26980471 has 8 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 23027928.

The previous prime is 26980463. The next prime is 26980507. The reversal of 26980471 is 17408962.

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

It is not a de Polignac number, because 26980471 - 2³ = 26980463 is a prime.

It is a super-3 number, since 3×26980471³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26980471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26980441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6391 + ... + 9736.

It is an arithmetic number, because the mean of its divisors is an integer number (3870720).

Almost surely, 2^26980471 is an apocalyptic number.

26980471 is a deficient number, since it is larger than the sum of its proper divisors (3985289).

26980471 is a wasteful number, since it uses less digits than its factorization.

26980471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16373.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 26980471 is about 5194.2729038817. The cubic root of 26980471 is about 299.9276529248.

The spelling of 26980471 in words is "twenty-six million, nine hundred eighty thousand, four hundred seventy-one".