26077022057 has 2 divisors, whose sum is σ = 26077022058. Its totient is φ = 26077022056.

The previous prime is 26077022003. The next prime is 26077022107. The reversal of 26077022057 is 75022077062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21359530201 + 4717491856 = 146149^2 + 68684^2 .

It is a cyclic number.

It is not a de Polignac number, because 26077022057 - 2²⁴ = 26060244841 is a prime.

It is a super-2 number, since 2×26077022057² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26077022057.

It is not a weakly prime, because it can be changed into another prime (26077022957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13038511028 + 13038511029.

It is an arithmetic number, because the mean of its divisors is an integer number (13038511029).

Almost surely, 2^26077022057 is an apocalyptic number.

It is an amenable number.

26077022057 is a deficient number, since it is larger than the sum of its proper divisors (1).

26077022057 is an equidigital number, since it uses as much as digits as its factorization.

26077022057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 38.

The spelling of 26077022057 in words is "twenty-six billion, seventy-seven million, twenty-two thousand, fifty-seven".