88687541 has 2 divisors, whose sum is σ = 88687542. Its totient is φ = 88687540.

The previous prime is 88687537. The next prime is 88687549. The reversal of 88687541 is 14578688.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72607441 + 16080100 = 8521^2 + 4010^2 .

It is a cyclic number.

It is not a de Polignac number, because 88687541 - 2² = 88687537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88687549) 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 as a sum of consecutive naturals, namely, 44343770 + 44343771.

It is an arithmetic number, because the mean of its divisors is an integer number (44343771).

Almost surely, 2^88687541 is an apocalyptic number.

It is an amenable number.

88687541 is a deficient number, since it is larger than the sum of its proper divisors (1).

88687541 is an equidigital number, since it uses as much as digits as its factorization.

88687541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 47.

The square root of 88687541 is about 9417.4062777391. The cubic root of 88687541 is about 445.9514063569.

The spelling of 88687541 in words is "eighty-eight million, six hundred eighty-seven thousand, five hundred forty-one".