80007929 has 2 divisors, whose sum is σ = 80007930. Its totient is φ = 80007928.

The previous prime is 80007913. The next prime is 80007979. The reversal of 80007929 is 92970008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57350329 + 22657600 = 7573^2 + 4760^2 .

It is a cyclic number.

It is not a de Polignac number, because 80007929 - 2⁴ = 80007913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80007979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40003964 + 40003965.

It is an arithmetic number, because the mean of its divisors is an integer number (40003965).

Almost surely, 2^80007929 is an apocalyptic number.

It is an amenable number.

80007929 is a deficient number, since it is larger than the sum of its proper divisors (1).

80007929 is an equidigital number, since it uses as much as digits as its factorization.

80007929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 80007929 is about 8944.7151435918. The cubic root of 80007929 is about 430.9011729633.

The spelling of 80007929 in words is "eighty million, seven thousand, nine hundred twenty-nine".