87753969 has 8 divisors (see below), whose sum is σ = 130005920. Its totient is φ = 58502628.

The previous prime is 87753961. The next prime is 87753979. The reversal of 87753969 is 96935778.

It is not a de Polignac number, because 87753969 - 2³ = 87753961 is a prime.

It is a super-2 number, since 2×87753969² = 15401518150505922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87753961) 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, 1625047 + ... + 1625100.

It is an arithmetic number, because the mean of its divisors is an integer number (16250740).

Almost surely, 2^87753969 is an apocalyptic number.

It is an amenable number.

87753969 is a deficient number, since it is larger than the sum of its proper divisors (42251951).

87753969 is a wasteful number, since it uses less digits than its factorization.

87753969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250156 (or 3250150 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 87753969 is about 9367.7088447496. The cubic root of 87753969 is about 444.3811099589.

The spelling of 87753969 in words is "eighty-seven million, seven hundred fifty-three thousand, nine hundred sixty-nine".