80772700974721 has 8 divisors (see below), whose sum is σ = 93225635072064. Its totient is φ = 68548261081200.

The previous prime is 80772700974703. The next prime is 80772700974781. The reversal of 80772700974721 is 12747900727708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80772700974721 - 2⁹ = 80772700974209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80772700974721.

It is not an unprimeable number, because it can be changed into a prime (80772700974781) 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, 57123550195 + ... + 57123551608.

It is an arithmetic number, because the mean of its divisors is an integer number (11653204384008).

Almost surely, 2^{80772700974721} is an apocalyptic number.

It is an amenable number.

80772700974721 is a deficient number, since it is larger than the sum of its proper divisors (12452934097343).

80772700974721 is a wasteful number, since it uses less digits than its factorization.

80772700974721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114247101911.

The product of its (nonzero) digits is 19361664, while the sum is 61.

The spelling of 80772700974721 in words is "eighty trillion, seven hundred seventy-two billion, seven hundred million, nine hundred seventy-four thousand, seven hundred twenty-one".