698577775896 has 384 divisors, whose sum is σ = 2469068179200. Its totient is φ = 161714488320.

The previous prime is 698577775849. The next prime is 698577775913.

It is a happy number.

698577775896 is nontrivially palindromic in base 10.

698577775896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4805251 + ... + 4948493.

It is an arithmetic number, because the mean of its divisors is an integer number (6429865050).

Almost surely, 2^698577775896 is an apocalyptic number.

698577775896 is a gapful number since it is divisible by the number (66) 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 698577775896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234534089600).

698577775896 is an abundant number, since it is smaller than the sum of its proper divisors (1770490403304).

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

698577775896 is a wasteful number, since it uses less digits than its factorization.

698577775896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143319 (or 143308 counting only the distinct ones).

The product of its digits is 11202105600, while the sum is 84.

The spelling of 698577775896 in words is "six hundred ninety-eight billion, five hundred seventy-seven million, seven hundred seventy-five thousand, eight hundred ninety-six".