88847381 has 4 divisors (see below), whose sum is σ = 101539872. Its totient is φ = 76154892.

The previous prime is 88847347. The next prime is 88847393. The reversal of 88847381 is 18374888.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-88847381 is a prime.

It is a super-2 number, since 2×88847381² = 15787714221118322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88847081) 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, 6346235 + ... + 6346248.

It is an arithmetic number, because the mean of its divisors is an integer number (25384968).

Almost surely, 2^88847381 is an apocalyptic number.

It is an amenable number.

88847381 is a deficient number, since it is larger than the sum of its proper divisors (12692491).

88847381 is a wasteful number, since it uses less digits than its factorization.

88847381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12692490.

The product of its digits is 344064, while the sum is 47.

The square root of 88847381 is about 9425.8888705522. Note that the first 4 decimals coincide. The cubic root of 88847381 is about 446.2191557012.

The spelling of 88847381 in words is "eighty-eight million, eight hundred forty-seven thousand, three hundred eighty-one".