80907293 has 2 divisors, whose sum is σ = 80907294. Its totient is φ = 80907292.

The previous prime is 80907251. The next prime is 80907311. The reversal of 80907293 is 39270908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47706649 + 33200644 = 6907^2 + 5762^2 .

It is a cyclic number.

It is not a de Polignac number, because 80907293 - 2¹⁰ = 80906269 is a prime.

It is equal to p_4719296 and since 80907293 and 4719296 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80937293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40453646 + 40453647.

It is an arithmetic number, because the mean of its divisors is an integer number (40453647).

Almost surely, 2^80907293 is an apocalyptic number.

It is an amenable number.

80907293 is a deficient number, since it is larger than the sum of its proper divisors (1).

80907293 is an equidigital number, since it uses as much as digits as its factorization.

80907293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 80907293 is about 8994.8481365724. The cubic root of 80907293 is about 432.5097381616.

The spelling of 80907293 in words is "eighty million, nine hundred seven thousand, two hundred ninety-three".