26627969 has 2 divisors, whose sum is σ = 26627970. Its totient is φ = 26627968.

The previous prime is 26627959. The next prime is 26628013. The reversal of 26627969 is 96972662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19536400 + 7091569 = 4420^2 + 2663^2 .

It is a cyclic number.

It is not a de Polignac number, because 26627969 - 2¹² = 26623873 is a prime.

It is a super-2 number, since 2×26627969² = 1418097466129922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26627959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13313984 + 13313985.

It is an arithmetic number, because the mean of its divisors is an integer number (13313985).

Almost surely, 2^26627969 is an apocalyptic number.

It is an amenable number.

26627969 is a deficient number, since it is larger than the sum of its proper divisors (1).

26627969 is an equidigital number, since it uses as much as digits as its factorization.

26627969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 26627969 is about 5160.2295491577. The cubic root of 26627969 is about 298.6157298858.

The spelling of 26627969 in words is "twenty-six million, six hundred twenty-seven thousand, nine hundred sixty-nine".