87229536 has 48 divisors (see below), whose sum is σ = 236371968. Its totient is φ = 28137600.

The previous prime is 87229489. The next prime is 87229537. The reversal of 87229536 is 63592278.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87229537) 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, 11680 + ... + 17631.

It is an arithmetic number, because the mean of its divisors is an integer number (4924416).

Almost surely, 2^87229536 is an apocalyptic number.

It is an amenable number.

87229536 is an abundant number, since it is smaller than the sum of its proper divisors (149142432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87229536 is a wasteful number, since it uses less digits than its factorization.

87229536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29355 (or 29347 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 87229536 is about 9339.6753690907. The cubic root of 87229536 is about 443.4941076797.

The spelling of 87229536 in words is "eighty-seven million, two hundred twenty-nine thousand, five hundred thirty-six".