26877058065 has 64 divisors (see below), whose sum is σ = 56134874880. Its totient is φ = 12028884480.

The previous prime is 26877058037. The next prime is 26877058067. The reversal of 26877058065 is 56085077862.

It is not a de Polignac number, because 26877058065 - 2¹⁰ = 26877057041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26877058067) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 676812 + ... + 715421.

It is an arithmetic number, because the mean of its divisors is an integer number (877107420).

Almost surely, 2^26877058065 is an apocalyptic number.

It is an amenable number.

26877058065 is an abundant number, since it is smaller than the sum of its proper divisors (29257816815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26877058065 is a wasteful number, since it uses less digits than its factorization.

26877058065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392271 (or 1392265 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 26877058065 in words is "twenty-six billion, eight hundred seventy-seven million, fifty-eight thousand, sixty-five".