87795669 has 24 divisors (see below), whose sum is σ = 132287040. Its totient is φ = 51672192.

The previous prime is 87795649. The next prime is 87795683. The reversal of 87795669 is 96659778.

It is not a de Polignac number, because 87795669 - 2⁷ = 87795541 is a prime.

It is a super-2 number, since 2×87795669² = 15416158990315122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87795619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7897 + ... + 15425.

It is an arithmetic number, because the mean of its divisors is an integer number (5511960).

Almost surely, 2^87795669 is an apocalyptic number.

It is an amenable number.

87795669 is a deficient number, since it is larger than the sum of its proper divisors (44491371).

87795669 is a wasteful number, since it uses less digits than its factorization.

87795669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7581 (or 7568 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The square root of 87795669 is about 9369.9343114026. The cubic root of 87795669 is about 444.4514876222.

The spelling of 87795669 in words is "eighty-seven million, seven hundred ninety-five thousand, six hundred sixty-nine".