698758857896 has 16 divisors (see below), whose sum is σ = 1429279482240. Its totient is φ = 317617662640.

The previous prime is 698758857821. The next prime is 698758857911.

It is a happy number.

698758857896 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970220696 + ... + 3970220871.

It is an arithmetic number, because the mean of its divisors is an integer number (89329967640).

Almost surely, 2^698758857896 is an apocalyptic number.

It is an amenable number.

698758857896 is an abundant number, since it is smaller than the sum of its proper divisors (730520624344).

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

698758857896 is a wasteful number, since it uses less digits than its factorization.

698758857896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940441584 (or 7940441580 counting only the distinct ones).

The product of its digits is 14631321600, while the sum is 86.

The spelling of 698758857896 in words is "six hundred ninety-eight billion, seven hundred fifty-eight million, eight hundred fifty-seven thousand, eight hundred ninety-six".