3455578811178 has 128 divisors (see below), whose sum is σ = 8758714083840. Its totient is φ = 1000425323520.

The previous prime is 3455578811177. The next prime is 3455578811203. The reversal of 3455578811178 is 8711188755543.

3455578811178 is a `hidden beast` number, since 3 + 4 + 5 + 557 + 8 + 8 + 1 + 1 + 1 + 78 = 666.

It is a super-3 number, since 3×3455578811178³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3455578811177) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43770276 + ... + 43849152.

It is an arithmetic number, because the mean of its divisors is an integer number (68427453780).

Almost surely, 2^{3455578811178} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3455578811178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4379357041920).

3455578811178 is an abundant number, since it is smaller than the sum of its proper divisors (5303135272662).

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

3455578811178 is a wasteful number, since it uses less digits than its factorization.

3455578811178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82589 (or 82583 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 63.

The spelling of 3455578811178 in words is "three trillion, four hundred fifty-five billion, five hundred seventy-eight million, eight hundred eleven thousand, one hundred seventy-eight".