69989488 has 20 divisors (see below), whose sum is σ = 136808208. Its totient is φ = 34684160.

The previous prime is 69989471. The next prime is 69989489. The reversal of 69989488 is 88498996.

It is a happy number.

It is a super-5 number, since 5×69989488⁵ (a number of 40 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69989489) 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 3 ways as a sum of consecutive naturals, for example, 17548 + ... + 21163.

Almost surely, 2^69989488 is an apocalyptic number.

It is an amenable number.

69989488 is a deficient number, since it is larger than the sum of its proper divisors (66818720).

69989488 is a wasteful number, since it uses less digits than its factorization.

69989488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38832 (or 38826 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 61.

The square root of 69989488 is about 8365.9720295970. The cubic root of 69989488 is about 412.1078989714.

The spelling of 69989488 in words is "sixty-nine million, nine hundred eighty-nine thousand, four hundred eighty-eight".