698481377280 has 1064 divisors, whose sum is σ = 2723113123632. Its totient is φ = 171228266496.

The previous prime is 698481377227. The next prime is 698481377299. The reversal of 698481377280 is 82773184896.

698481377280 is a `hidden beast` number, since 6 + 9 + 8 + 481 + 3 + 7 + 72 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16243752939 + ... + 16243752981.

Almost surely, 2^698481377280 is an apocalyptic number.

698481377280 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 698481377280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361556561816).

698481377280 is an abundant number, since it is smaller than the sum of its proper divisors (2024631746352).

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

698481377280 is an frugal number, since it uses more digits than its factorization.

698481377280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 698481377280 in words is "six hundred ninety-eight billion, four hundred eighty-one million, three hundred seventy-seven thousand, two hundred eighty".