88687477 has 2 divisors, whose sum is σ = 88687478. Its totient is φ = 88687476.

The previous prime is 88687441. The next prime is 88687507. The reversal of 88687477 is 77478688.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54745201 + 33942276 = 7399^2 + 5826^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88687477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88687427) 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, 44343738 + 44343739.

It is an arithmetic number, because the mean of its divisors is an integer number (44343739).

Almost surely, 2^88687477 is an apocalyptic number.

It is an amenable number.

88687477 is a deficient number, since it is larger than the sum of its proper divisors (1).

88687477 is an equidigital number, since it uses as much as digits as its factorization.

88687477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4214784, while the sum is 55.

The square root of 88687477 is about 9417.4028797753. The cubic root of 88687477 is about 445.9512990855.

The spelling of 88687477 in words is "eighty-eight million, six hundred eighty-seven thousand, four hundred seventy-seven".