80457889801 has 9 divisors (see below), whose sum is σ = 84921078951. Its totient is φ = 76218158304.

The previous prime is 80457889789. The next prime is 80457889807. The reversal of 80457889801 is 10898875408.

The square root of 80457889801 is 283651.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 69458075401 + 10999814400 = 263549^2 + 104880^2 .

It is not a de Polignac number, because 80457889801 - 2²⁹ = 79921018889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80457889807) 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 8 ways as a sum of consecutive naturals, for example, 5381905 + ... + 5396833.

It is an arithmetic number, because the mean of its divisors is an integer number (9435675439).

Almost surely, 2^80457889801 is an apocalyptic number.

80457889801 is the 283651-st square number.

80457889801 is the 141826-th centered octagonal number.

It is an amenable number.

80457889801 is a deficient number, since it is larger than the sum of its proper divisors (4463189150).

80457889801 is an frugal number, since it uses more digits than its factorization.

80457889801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29896 (or 14948 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 58.

The spelling of 80457889801 in words is "eighty billion, four hundred fifty-seven million, eight hundred eighty-nine thousand, eight hundred one".