26077737560 has 128 divisors (see below), whose sum is σ = 68909598720. Its totient is φ = 8696305152.

The previous prime is 26077737533. The next prime is 26077737563. The reversal of 26077737560 is 6573777062.

It is a junction number, because it is equal to n+sod(n) for n = 26077737499 and 26077737508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26077737563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2139002 + ... + 2151158.

It is an arithmetic number, because the mean of its divisors is an integer number (538356240).

Almost surely, 2^26077737560 is an apocalyptic number.

26077737560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26077737560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34454799360).

26077737560 is an abundant number, since it is smaller than the sum of its proper divisors (42831861160).

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

26077737560 is a wasteful number, since it uses less digits than its factorization.

26077737560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12385 (or 12381 counting only the distinct ones).

The product of its (nonzero) digits is 2593080, while the sum is 50.

The spelling of 26077737560 in words is "twenty-six billion, seventy-seven million, seven hundred thirty-seven thousand, five hundred sixty".