80605899486 has 192 divisors, whose sum is σ = 215332356096. Its totient is φ = 21303777600.

The previous prime is 80605899481. The next prime is 80605899499. The reversal of 80605899486 is 68499850608.

80605899486 is a `hidden beast` number, since 8 + 0 + 6 + 0 + 589 + 9 + 48 + 6 = 666.

It is a super-2 number, since 2×80605899486² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80605899481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7888921 + ... + 7899131.

It is an arithmetic number, because the mean of its divisors is an integer number (1121522688).

Almost surely, 2^80605899486 is an apocalyptic number.

80605899486 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 80605899486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107666178048).

80605899486 is an abundant number, since it is smaller than the sum of its proper divisors (134726456610).

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

80605899486 is a wasteful number, since it uses less digits than its factorization.

80605899486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10347 (or 10344 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 80605899486 in words is "eighty billion, six hundred five million, eight hundred ninety-nine thousand, four hundred eighty-six".