69080387 has 4 divisors (see below), whose sum is σ = 69240360. Its totient is φ = 68920416.

The previous prime is 69080383. The next prime is 69080399. The reversal of 69080387 is 78308096.

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 69080387 - 2² = 69080383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69080381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79337 + ... + 80202.

It is an arithmetic number, because the mean of its divisors is an integer number (17310090).

Almost surely, 2^69080387 is an apocalyptic number.

69080387 is a deficient number, since it is larger than the sum of its proper divisors (159973).

69080387 is a wasteful number, since it uses less digits than its factorization.

69080387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159972.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 69080387 is about 8311.4611832096. The cubic root of 69080387 is about 410.3158125942.

The spelling of 69080387 in words is "sixty-nine million, eighty thousand, three hundred eighty-seven".