674780108880 has 160 divisors (see below), whose sum is σ = 2148852714624. Its totient is φ = 175037442048.

The previous prime is 674780108839. The next prime is 674780108881. The reversal of 674780108880 is 88801087476.

It is a self number, because there is not a number n which added to its sum of digits gives 674780108880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674780108881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66390679 + ... + 66400841.

Almost surely, 2^674780108880 is an apocalyptic number.

674780108880 is a gapful number since it is divisible by the number (60) 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 674780108880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074426357312).

674780108880 is an abundant number, since it is smaller than the sum of its proper divisors (1474072605744).

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

674780108880 is a wasteful number, since it uses less digits than its factorization.

674780108880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17693 (or 17687 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 57.

The spelling of 674780108880 in words is "six hundred seventy-four billion, seven hundred eighty million, one hundred eight thousand, eight hundred eighty".