26716467077 has 2 divisors, whose sum is σ = 26716467078. Its totient is φ = 26716467076.

The previous prime is 26716467031. The next prime is 26716467083. The reversal of 26716467077 is 77076461762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17066548321 + 9649918756 = 130639^2 + 98234^2 .

It is a cyclic number.

It is not a de Polignac number, because 26716467077 - 2³² = 22421499781 is a prime.

It is a super-2 number, since 2×26716467077² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26716467277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13358233538 + 13358233539.

It is an arithmetic number, because the mean of its divisors is an integer number (13358233539).

Almost surely, 2^26716467077 is an apocalyptic number.

It is an amenable number.

26716467077 is a deficient number, since it is larger than the sum of its proper divisors (1).

26716467077 is an equidigital number, since it uses as much as digits as its factorization.

26716467077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4148928, while the sum is 53.

The spelling of 26716467077 in words is "twenty-six billion, seven hundred sixteen million, four hundred sixty-seven thousand, seventy-seven".