80078317 has 16 divisors (see below), whose sum is σ = 89187840. Its totient is φ = 71290800.

The previous prime is 80078303. The next prime is 80078329. The reversal of 80078317 is 71387008.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80078317 - 2⁷ = 80078189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80078357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126592 + ... + 127222.

It is an arithmetic number, because the mean of its divisors is an integer number (5574240).

Almost surely, 2^80078317 is an apocalyptic number.

It is an amenable number.

80078317 is a deficient number, since it is larger than the sum of its proper divisors (9109523).

80078317 is a wasteful number, since it uses less digits than its factorization.

80078317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 80078317 is about 8948.6488924306. The cubic root of 80078317 is about 431.0274995329.

The spelling of 80078317 in words is "eighty million, seventy-eight thousand, three hundred seventeen".