26676978804 has 192 divisors, whose sum is σ = 84259840000. Its totient is φ = 7129130112.

The previous prime is 26676978787. The next prime is 26676978841. The reversal of 26676978804 is 40887967662.

It is a super-2 number, since 2×26676978804² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1123002 + ... + 1146510.

Almost surely, 2^26676978804 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 26676978804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42129920000).

26676978804 is an abundant number, since it is smaller than the sum of its proper divisors (57582861196).

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

26676978804 is a wasteful number, since it uses less digits than its factorization.

26676978804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23627 (or 23619 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 26676978804 in words is "twenty-six billion, six hundred seventy-six million, nine hundred seventy-eight thousand, eight hundred four".