26672758507 has 2 divisors, whose sum is σ = 26672758508. Its totient is φ = 26672758506.

The previous prime is 26672758501. The next prime is 26672758517. The reversal of 26672758507 is 70585727662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26672758507 is a prime.

It is a super-2 number, since 2×26672758507² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26672758501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13336379253 + 13336379254.

It is an arithmetic number, because the mean of its divisors is an integer number (13336379254).

Almost surely, 2^26672758507 is an apocalyptic number.

26672758507 is a deficient number, since it is larger than the sum of its proper divisors (1).

26672758507 is an equidigital number, since it uses as much as digits as its factorization.

26672758507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 26672758507 in words is "twenty-six billion, six hundred seventy-two million, seven hundred fifty-eight thousand, five hundred seven".