80825505250780 has 24 divisors (see below), whose sum is σ = 179717888146608. Its totient is φ = 30428425506048.

The previous prime is 80825505250709. The next prime is 80825505250781. The reversal of 80825505250780 is 8705250552808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80825505250781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118861036794 + ... + 118861037473.

It is an arithmetic number, because the mean of its divisors is an integer number (7488245339442).

Almost surely, 2^{80825505250780} is an apocalyptic number.

It is an amenable number.

80825505250780 is an abundant number, since it is smaller than the sum of its proper divisors (98892382895828).

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

80825505250780 is a wasteful number, since it uses less digits than its factorization.

80825505250780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237722074293 (or 237722074291 counting only the distinct ones).

The product of its (nonzero) digits is 8960000, while the sum is 55.

The spelling of 80825505250780 in words is "eighty trillion, eight hundred twenty-five billion, five hundred five million, two hundred fifty thousand, seven hundred eighty".