88152821 has 4 divisors (see below), whose sum is σ = 88596000. Its totient is φ = 87709644.

The previous prime is 88152811. The next prime is 88152839. The reversal of 88152821 is 12825188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88152821 - 2²² = 83958517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88152811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221291 + ... + 221688.

It is an arithmetic number, because the mean of its divisors is an integer number (22149000).

Almost surely, 2^88152821 is an apocalyptic number.

It is an amenable number.

88152821 is a deficient number, since it is larger than the sum of its proper divisors (443179).

88152821 is a wasteful number, since it uses less digits than its factorization.

88152821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443178.

The product of its digits is 10240, while the sum is 35.

The square root of 88152821 is about 9388.9733730584. The cubic root of 88152821 is about 445.0533471372.

The spelling of 88152821 in words is "eighty-eight million, one hundred fifty-two thousand, eight hundred twenty-one".