80863398 has 96 divisors (see below), whose sum is σ = 223921152. Its totient is φ = 20476800.

The previous prime is 80863381. The next prime is 80863427. The reversal of 80863398 is 89336808.

80863398 is a `hidden beast` number, since 8 + 0 + 8 + 633 + 9 + 8 = 666.

It is a super-2 number, since 2×80863398² = 13077778272212808, which contains 22 as substring.

It is a congruent number.

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, 56115 + ... + 57537.

It is an arithmetic number, because the mean of its divisors is an integer number (2332512).

Almost surely, 2^80863398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80863398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111960576).

80863398 is an abundant number, since it is smaller than the sum of its proper divisors (143057754).

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

80863398 is a wasteful number, since it uses less digits than its factorization.

80863398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 80863398 is about 8992.4077976925. The cubic root of 80863398 is about 432.4315068566.

The spelling of 80863398 in words is "eighty million, eight hundred sixty-three thousand, three hundred ninety-eight".