26971155 has 12 divisors (see below), whose sum is σ = 46750080. Its totient is φ = 14384592.

The previous prime is 26971123. The next prime is 26971159. The reversal of 26971155 is 55117962.

It is not a de Polignac number, because 26971155 - 2⁵ = 26971123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26971159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299635 + ... + 299724.

It is an arithmetic number, because the mean of its divisors is an integer number (3895840).

Almost surely, 2^26971155 is an apocalyptic number.

26971155 is a deficient number, since it is larger than the sum of its proper divisors (19778925).

26971155 is a wasteful number, since it uses less digits than its factorization.

26971155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599370 (or 599367 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 26971155 is about 5193.3760695717. The cubic root of 26971155 is about 299.8931285995.

The spelling of 26971155 in words is "twenty-six million, nine hundred seventy-one thousand, one hundred fifty-five".