88523649 has 6 divisors (see below), whose sum is σ = 127867506. Its totient is φ = 59015760.

The previous prime is 88523623. The next prime is 88523651. The reversal of 88523649 is 94632588.

88523649 is a `hidden beast` number, since 88 + 523 + 6 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83393424 + 5130225 = 9132^2 + 2265^2 .

It is not a de Polignac number, because 88523649 - 2¹² = 88519553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88524649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4917972 + ... + 4917989.

It is an arithmetic number, because the mean of its divisors is an integer number (21311251).

Almost surely, 2^88523649 is an apocalyptic number.

It is an amenable number.

88523649 is a deficient number, since it is larger than the sum of its proper divisors (39343857).

88523649 is a wasteful number, since it uses less digits than its factorization.

88523649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9835967 (or 9835964 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 88523649 is about 9408.7007073240. The cubic root of 88523649 is about 445.6765352203.

The spelling of 88523649 in words is "eighty-eight million, five hundred twenty-three thousand, six hundred forty-nine".