80927101 has 2 divisors, whose sum is σ = 80927102. Its totient is φ = 80927100.

The previous prime is 80927083. The next prime is 80927117. The reversal of 80927101 is 10172908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66096900 + 14830201 = 8130^2 + 3851^2 .

It is a cyclic number.

It is not a de Polignac number, because 80927101 - 2⁷ = 80926973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80927101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80927141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40463550 + 40463551.

It is an arithmetic number, because the mean of its divisors is an integer number (40463551).

Almost surely, 2^80927101 is an apocalyptic number.

It is an amenable number.

80927101 is a deficient number, since it is larger than the sum of its proper divisors (1).

80927101 is an equidigital number, since it uses as much as digits as its factorization.

80927101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 80927101 is about 8995.9491439203. The cubic root of 80927101 is about 432.5450314523.

The spelling of 80927101 in words is "eighty million, nine hundred twenty-seven thousand, one hundred one".