26673827987 has 2 divisors, whose sum is σ = 26673827988. Its totient is φ = 26673827986.

The previous prime is 26673827963. The next prime is 26673827993. The reversal of 26673827987 is 78972837662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26673827987 - 2⁶ = 26673827923 is a prime.

It is a super-2 number, since 2×26673827987² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26673847987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13336913993 + 13336913994.

It is an arithmetic number, because the mean of its divisors is an integer number (13336913994).

Almost surely, 2^26673827987 is an apocalyptic number.

26673827987 is a deficient number, since it is larger than the sum of its proper divisors (1).

26673827987 is an equidigital number, since it uses as much as digits as its factorization.

26673827987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85349376, while the sum is 65.

The spelling of 26673827987 in words is "twenty-six billion, six hundred seventy-three million, eight hundred twenty-seven thousand, nine hundred eighty-seven".