87524929 has 8 divisors (see below), whose sum is σ = 91377000. Its totient is φ = 83728512.

The previous prime is 87524881. The next prime is 87524947. The reversal of 87524929 is 92942578.

It can be written as a sum of positive squares in 4 ways, for example, as 5531904 + 81993025 = 2352^2 + 9055^2 .

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 87524929 - 2⁹ = 87524417 is a prime.

It is a super-2 number, since 2×87524929² = 15321226392910082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87524989) 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, 10684 + ... + 17005.

It is an arithmetic number, because the mean of its divisors is an integer number (11422125).

Almost surely, 2^87524929 is an apocalyptic number.

It is an amenable number.

87524929 is a deficient number, since it is larger than the sum of its proper divisors (3852071).

87524929 is a wasteful number, since it uses less digits than its factorization.

87524929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27827.

The product of its digits is 362880, while the sum is 46.

The square root of 87524929 is about 9355.4758831392. The cubic root of 87524929 is about 443.9941579325.

The spelling of 87524929 in words is "eighty-seven million, five hundred twenty-four thousand, nine hundred twenty-nine".