80929518741 has 56 divisors (see below), whose sum is σ = 125443653720. Its totient is φ = 52152076800.

The previous prime is 80929518731. The next prime is 80929518797. The reversal of 80929518741 is 14781592908.

It is a happy number.

80929518741 is a `hidden beast` number, since 80 + 9 + 2 + 9 + 518 + 7 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 204776100 + 80724742641 = 14310^2 + 284121^2 .

It is not a de Polignac number, because 80929518741 - 2²³ = 80921130133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80929518731) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3245481 + ... + 3270321.

It is an arithmetic number, because the mean of its divisors is an integer number (2240065245).

Almost surely, 2^80929518741 is an apocalyptic number.

80929518741 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

80929518741 is a deficient number, since it is larger than the sum of its proper divisors (44514134979).

80929518741 is a wasteful number, since it uses less digits than its factorization.

80929518741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25009 (or 24994 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The spelling of 80929518741 in words is "eighty billion, nine hundred twenty-nine million, five hundred eighteen thousand, seven hundred forty-one".