69880047 has 8 divisors (see below), whose sum is σ = 98654256. Its totient is φ = 43846272.

The previous prime is 69880033. The next prime is 69880051. The reversal of 69880047 is 74008896.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69880047 - 2⁷ = 69879919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69879990 and 69880008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69880007) 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 7 ways as a sum of consecutive naturals, for example, 685048 + ... + 685149.

It is an arithmetic number, because the mean of its divisors is an integer number (12331782).

Almost surely, 2^69880047 is an apocalyptic number.

69880047 is a deficient number, since it is larger than the sum of its proper divisors (28774209).

69880047 is a wasteful number, since it uses less digits than its factorization.

69880047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370217.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 69880047 is about 8359.4286287999. The cubic root of 69880047 is about 411.8929856067.

The spelling of 69880047 in words is "sixty-nine million, eight hundred eighty thousand, forty-seven".