80669315 has 4 divisors (see below), whose sum is σ = 96803184. Its totient is φ = 64535448.

The previous prime is 80669293. The next prime is 80669317. The reversal of 80669315 is 51396608.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80669315 - 2¹⁴ = 80652931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80669317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8066927 + ... + 8066936.

It is an arithmetic number, because the mean of its divisors is an integer number (24200796).

Almost surely, 2^80669315 is an apocalyptic number.

80669315 is a deficient number, since it is larger than the sum of its proper divisors (16133869).

80669315 is a wasteful number, since it uses less digits than its factorization.

80669315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16133868.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 80669315 is about 8981.6098222980. The cubic root of 80669315 is about 432.0852651629.

The spelling of 80669315 in words is "eighty million, six hundred sixty-nine thousand, three hundred fifteen".