87965269 has 8 divisors (see below), whose sum is σ = 105823040. Its totient is φ = 71430336.

The previous prime is 87965261. The next prime is 87965287. The reversal of 87965269 is 96256978.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 87965269 - 2³ = 87965261 is a prime.

It is a super-2 number, since 2×87965269² = 15475777100484722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87965261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330564 + ... + 330829.

It is an arithmetic number, because the mean of its divisors is an integer number (13227880).

Almost surely, 2^87965269 is an apocalyptic number.

It is an amenable number.

87965269 is a deficient number, since it is larger than the sum of its proper divisors (17857771).

87965269 is a wasteful number, since it uses less digits than its factorization.

87965269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661419.

The product of its digits is 1632960, while the sum is 52.

The square root of 87965269 is about 9378.9801684405. The cubic root of 87965269 is about 444.7374944651.

The spelling of 87965269 in words is "eighty-seven million, nine hundred sixty-five thousand, two hundred sixty-nine".