26040972877 has 2 divisors, whose sum is σ = 26040972878. Its totient is φ = 26040972876.

The previous prime is 26040972871. The next prime is 26040972887. The reversal of 26040972877 is 77827904062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25876261321 + 164711556 = 160861^2 + 12834^2 .

It is a cyclic number.

It is not a de Polignac number, because 26040972877 - 2³ = 26040972869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26040972871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13020486438 + 13020486439.

It is an arithmetic number, because the mean of its divisors is an integer number (13020486439).

Almost surely, 2^26040972877 is an apocalyptic number.

It is an amenable number.

26040972877 is a deficient number, since it is larger than the sum of its proper divisors (1).

26040972877 is an equidigital number, since it uses as much as digits as its factorization.

26040972877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 26040972877 in words is "twenty-six billion, forty million, nine hundred seventy-two thousand, eight hundred seventy-seven".