6454559677888 has 84 divisors (see below), whose sum is σ = 14909206439592. Its totient is φ = 2764421506560.

The previous prime is 6454559677873. The next prime is 6454559678029. The reversal of 6454559677888 is 8887769554546.

It is a super-2 number, since 2×6454559677888² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4100418 + ... + 5451838.

Almost surely, 2^{6454559677888} 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 6454559677888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7454603219796).

6454559677888 is an abundant number, since it is smaller than the sum of its proper divisors (8454646761704).

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

6454559677888 is a wasteful number, since it uses less digits than its factorization.

6454559677888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352970 (or 1352953 counting only the distinct ones).

The product of its digits is 16257024000, while the sum is 82.

The spelling of 6454559677888 in words is "six trillion, four hundred fifty-four billion, five hundred fifty-nine million, six hundred seventy-seven thousand, eight hundred eighty-eight".