80025105078 has 48 divisors (see below), whose sum is σ = 179395791120. Its totient is φ = 25751017152.

The previous prime is 80025105077. The next prime is 80025105113. The reversal of 80025105078 is 87050152008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80025105077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5736600 + ... + 5750532.

It is an arithmetic number, because the mean of its divisors is an integer number (3737412315).

Almost surely, 2^80025105078 is an apocalyptic number.

80025105078 is an abundant number, since it is smaller than the sum of its proper divisors (99370686042).

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

80025105078 is a wasteful number, since it uses less digits than its factorization.

80025105078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24973 (or 24970 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 80025105078 in words is "eighty billion, twenty-five million, one hundred five thousand, seventy-eight".