80385725862 has 128 divisors (see below), whose sum is σ = 196921912320. Its totient is φ = 24156195840.

The previous prime is 80385725839. The next prime is 80385725869. The reversal of 80385725862 is 26852758308.

80385725862 is a `hidden beast` number, since 8 + 0 + 3 + 8 + 57 + 2 + 586 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 80385725799 and 80385725808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80385725869) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5325558 + ... + 5340630.

It is an arithmetic number, because the mean of its divisors is an integer number (1538452440).

Almost surely, 2^80385725862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80385725862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98460956160).

80385725862 is an abundant number, since it is smaller than the sum of its proper divisors (116536186458).

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

80385725862 is a wasteful number, since it uses less digits than its factorization.

80385725862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15275 (or 15269 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 80385725862 in words is "eighty billion, three hundred eighty-five million, seven hundred twenty-five thousand, eight hundred sixty-two".