80698363620 has 288 divisors, whose sum is σ = 277112586240. Its totient is φ = 17469607680.

The previous prime is 80698363619. The next prime is 80698363637. The reversal of 80698363620 is 2636389608.

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, 4274161 + ... + 4292999.

It is an arithmetic number, because the mean of its divisors is an integer number (962196480).

Almost surely, 2^80698363620 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 80698363620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138556293120).

80698363620 is an abundant number, since it is smaller than the sum of its proper divisors (196414222620).

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

80698363620 is a wasteful number, since it uses less digits than its factorization.

80698363620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18943 (or 18934 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 80698363620 in words is "eighty billion, six hundred ninety-eight million, three hundred sixty-three thousand, six hundred twenty".