80727866901 has 48 divisors (see below), whose sum is σ = 134879696640. Its totient is φ = 45983247360.

The previous prime is 80727866887. The next prime is 80727866939. The reversal of 80727866901 is 10966872708.

It is not a de Polignac number, because 80727866901 - 2²¹ = 80725769749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80727866201) 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 47 ways as a sum of consecutive naturals, for example, 1176721 + ... + 1243433.

It is an arithmetic number, because the mean of its divisors is an integer number (2809993680).

Almost surely, 2^80727866901 is an apocalyptic number.

It is an amenable number.

80727866901 is a deficient number, since it is larger than the sum of its proper divisors (54151829739).

80727866901 is a wasteful number, since it uses less digits than its factorization.

80727866901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67466 (or 67463 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 80727866901 in words is "eighty billion, seven hundred twenty-seven million, eight hundred sixty-six thousand, nine hundred one".