80425071870 has 128 divisors (see below), whose sum is σ = 228268551168. Its totient is φ = 17877888000.

The previous prime is 80425071841. The next prime is 80425071871. The reversal of 80425071870 is 7817052408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80425071871) 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, 585714 + ... + 709866.

It is an arithmetic number, because the mean of its divisors is an integer number (1783348056).

Almost surely, 2^80425071870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80425071870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114134275584).

80425071870 is an abundant number, since it is smaller than the sum of its proper divisors (147843479298).

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

80425071870 is a wasteful number, since it uses less digits than its factorization.

80425071870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124338.

The product of its (nonzero) digits is 125440, while the sum is 42.

The spelling of 80425071870 in words is "eighty billion, four hundred twenty-five million, seventy-one thousand, eight hundred seventy".