69880806 has 20 divisors (see below), whose sum is σ = 156585132. Its totient is φ = 23293548.

The previous prime is 69880801. The next prime is 69880813. The reversal of 69880806 is 60808896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69880801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 215520 + ... + 215843.

Almost surely, 2^69880806 is an apocalyptic number.

69880806 is an abundant number, since it is smaller than the sum of its proper divisors (86704326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69880806 is a wasteful number, since it uses less digits than its factorization.

69880806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431377 (or 431368 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 69880806 is about 8359.4740265163. The cubic root of 69880806 is about 411.8944768556.

The spelling of 69880806 in words is "sixty-nine million, eight hundred eighty thousand, eight hundred six".