80072887901 has 2 divisors, whose sum is σ = 80072887902. Its totient is φ = 80072887900.

The previous prime is 80072887877. The next prime is 80072887913. The reversal of 80072887901 is 10978827008.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45517795801 + 34555092100 = 213349^2 + 185890^2 .

It is a cyclic number.

It is not a de Polignac number, because 80072887901 - 2⁶ = 80072887837 is a prime.

It is a super-4 number, since 4×80072887901⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 80072887901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80072887931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40036443950 + 40036443951.

It is an arithmetic number, because the mean of its divisors is an integer number (40036443951).

Almost surely, 2^80072887901 is an apocalyptic number.

It is an amenable number.

80072887901 is a deficient number, since it is larger than the sum of its proper divisors (1).

80072887901 is an equidigital number, since it uses as much as digits as its factorization.

80072887901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 50.

The spelling of 80072887901 in words is "eighty billion, seventy-two million, eight hundred eighty-seven thousand, nine hundred one".