87875569 has 8 divisors (see below), whose sum is σ = 89278848. Its totient is φ = 86483280.

The previous prime is 87875561. The next prime is 87875573. The reversal of 87875569 is 96557878.

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 87875569 - 2³ = 87875561 is a prime.

It is a super-2 number, since 2×87875569² = 15444231254147522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87875561) 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, 14184 + ... + 19414.

It is an arithmetic number, because the mean of its divisors is an integer number (11159856).

Almost surely, 2^87875569 is an apocalyptic number.

It is an amenable number.

87875569 is a deficient number, since it is larger than the sum of its proper divisors (1403279).

87875569 is a wasteful number, since it uses less digits than its factorization.

87875569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495.

The product of its digits is 4233600, while the sum is 55.

The square root of 87875569 is about 9374.1969789417. The cubic root of 87875569 is about 444.5862737190.

The spelling of 87875569 in words is "eighty-seven million, eight hundred seventy-five thousand, five hundred sixty-nine".