26677787016 has 64 divisors (see below), whose sum is σ = 68013950400. Its totient is φ = 8716967168.

The previous prime is 26677787011. The next prime is 26677787021. The reversal of 26677787016 is 61078777662.

It is an interprime number because it is at equal distance from previous prime (26677787011) and next prime (26677787021).

It is not an unprimeable number, because it can be changed into a prime (26677787011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501030 + ... + 1518698.

It is an arithmetic number, because the mean of its divisors is an integer number (1062717975).

Almost surely, 2^26677787016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26677787016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34006975200).

26677787016 is an abundant number, since it is smaller than the sum of its proper divisors (41336163384).

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

26677787016 is a wasteful number, since it uses less digits than its factorization.

26677787016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18918 (or 18914 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 57.

The spelling of 26677787016 in words is "twenty-six billion, six hundred seventy-seven million, seven hundred eighty-seven thousand, sixteen".