80247397772 has 12 divisors (see below), whose sum is σ = 140437045056. Its totient is φ = 40122527760.

The previous prime is 80247397757. The next prime is 80247397777. The reversal of 80247397772 is 27779374208.

It is not an unprimeable number, because it can be changed into a prime (80247397777) 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 3 ways as a sum of consecutive naturals, for example, 128348 + ... + 420675.

It is an arithmetic number, because the mean of its divisors is an integer number (11703087088).

Almost surely, 2^80247397772 is an apocalyptic number.

It is an amenable number.

80247397772 is a deficient number, since it is larger than the sum of its proper divisors (60189647284).

80247397772 is a wasteful number, since it uses less digits than its factorization.

80247397772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585568 (or 585566 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 56.

The spelling of 80247397772 in words is "eighty billion, two hundred forty-seven million, three hundred ninety-seven thousand, seven hundred seventy-two".