26787799053 has 24 divisors (see below), whose sum is σ = 40663447968. Its totient is φ = 16971770592.

The previous prime is 26787799043. The next prime is 26787799109. The reversal of 26787799053 is 35099778762.

It is not a de Polignac number, because 26787799053 - 2¹⁶ = 26787733517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26787799043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 921075 + ... + 949712.

It is an arithmetic number, because the mean of its divisors is an integer number (1694310332).

Almost surely, 2^26787799053 is an apocalyptic number.

It is an amenable number.

26787799053 is a deficient number, since it is larger than the sum of its proper divisors (13875648915).

26787799053 is a wasteful number, since it uses less digits than its factorization.

26787799053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870873 (or 1870870 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 63.

The spelling of 26787799053 in words is "twenty-six billion, seven hundred eighty-seven million, seven hundred ninety-nine thousand, fifty-three".