26878788469080 has 320 divisors, whose sum is σ = 96436884614400. Its totient is φ = 6694789812480.

The previous prime is 26878788469021. The next prime is 26878788469087. The reversal of 26878788469080 is 8096488787862.

26878788469080 is a `hidden beast` number, since 2 + 6 + 8 + 7 + 8 + 78 + 8 + 469 + 0 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26878788469087) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1295919 + ... + 7445601.

It is an arithmetic number, because the mean of its divisors is an integer number (301365264420).

Almost surely, 2^{26878788469080} is an apocalyptic number.

26878788469080 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 26878788469080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48218442307200).

26878788469080 is an abundant number, since it is smaller than the sum of its proper divisors (69558096145320).

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

26878788469080 is a wasteful number, since it uses less digits than its factorization.

26878788469080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149796 (or 6149783 counting only the distinct ones).

The product of its (nonzero) digits is 4161798144, while the sum is 81.

The spelling of 26878788469080 in words is "twenty-six trillion, eight hundred seventy-eight billion, seven hundred eighty-eight million, four hundred sixty-nine thousand, eighty".