698759957896 has 192 divisors, whose sum is σ = 1796222796480. Its totient is φ = 250503160320.

The previous prime is 698759957851. The next prime is 698759957911.

698759957896 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (88).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17750091 + ... + 17789413.

It is an arithmetic number, because the mean of its divisors is an integer number (9355327065).

Almost surely, 2^698759957896 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 698759957896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898111398240).

698759957896 is an abundant number, since it is smaller than the sum of its proper divisors (1097462838584).

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

698759957896 is a wasteful number, since it uses less digits than its factorization.

698759957896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39684 (or 39673 counting only the distinct ones).

The product of its digits is 18517766400, while the sum is 88.

The spelling of 698759957896 in words is "six hundred ninety-eight billion, seven hundred fifty-nine million, nine hundred fifty-seven thousand, eight hundred ninety-six".