26671667 has 12 divisors (see below), whose sum is σ = 29877120. Its totient is φ = 23783760.

The previous prime is 26671661. The next prime is 26671679. The reversal of 26671667 is 76617662.

It is not a de Polignac number, because 26671667 - 2¹⁴ = 26655283 is a prime.

It is a super-2 number, since 2×26671667² = 1422755641117778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26671661) 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, 4334 + ... + 8492.

It is an arithmetic number, because the mean of its divisors is an integer number (2489760).

Almost surely, 2^26671667 is an apocalyptic number.

26671667 is a deficient number, since it is larger than the sum of its proper divisors (3205453).

26671667 is a wasteful number, since it uses less digits than its factorization.

26671667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234 (or 4223 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 26671667 is about 5164.4619274422. The cubic root of 26671667 is about 298.7789890347.

It can be divided in two parts, 2667 and 1667, that added together give a palindrome (4334).

The spelling of 26671667 in words is "twenty-six million, six hundred seventy-one thousand, six hundred sixty-seven".