26870555 has 12 divisors (see below), whose sum is σ = 33710880. Its totient is φ = 20559792.

The previous prime is 26870527. The next prime is 26870563. The reversal of 26870555 is 55507862.

It is not a de Polignac number, because 26870555 - 2⁶ = 26870491 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2435 + ... + 7724.

It is an arithmetic number, because the mean of its divisors is an integer number (2809240).

Almost surely, 2^26870555 is an apocalyptic number.

26870555 is a deficient number, since it is larger than the sum of its proper divisors (6840325).

26870555 is a wasteful number, since it uses less digits than its factorization.

26870555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210 (or 10187 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 26870555 is about 5183.6816067347. The cubic root of 26870555 is about 299.5198058628.

The spelling of 26870555 in words is "twenty-six million, eight hundred seventy thousand, five hundred fifty-five".