1098077398704 has 360 divisors, whose sum is σ = 3647158105136. Its totient is φ = 306355737600.

The previous prime is 1098077398697. The next prime is 1098077398741. The reversal of 1098077398704 is 4078937708901.

1098077398704 is a `hidden beast` number, since 109 + 8 + 0 + 77 + 398 + 70 + 4 = 666.

It is a super-3 number, since 3×1098077398704³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 89919159 + ... + 89931369.

Almost surely, 2^{1098077398704} 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 1098077398704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823579052568).

1098077398704 is an abundant number, since it is smaller than the sum of its proper divisors (2549080706432).

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

1098077398704 is a wasteful number, since it uses less digits than its factorization.

1098077398704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12657 (or 12637 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The spelling of 1098077398704 in words is "one trillion, ninety-eight billion, seventy-seven million, three hundred ninety-eight thousand, seven hundred four".