87695749 has 8 divisors (see below), whose sum is σ = 89733888. Its totient is φ = 85664880.

The previous prime is 87695747. The next prime is 87695753. The reversal of 87695749 is 94759678.

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 87695749 - 2¹ = 87695747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87695749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87695743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28179 + ... + 31135.

It is an arithmetic number, because the mean of its divisors is an integer number (11216736).

Almost surely, 2^87695749 is an apocalyptic number.

It is an amenable number.

87695749 is a deficient number, since it is larger than the sum of its proper divisors (2038139).

87695749 is a wasteful number, since it uses less digits than its factorization.

87695749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635.

The product of its digits is 3810240, while the sum is 55.

The square root of 87695749 is about 9364.6008457382. The cubic root of 87695749 is about 444.2828139610.

The spelling of 87695749 in words is "eighty-seven million, six hundred ninety-five thousand, seven hundred forty-nine".