87582751 has 2 divisors, whose sum is σ = 87582752. Its totient is φ = 87582750.

The previous prime is 87582749. The next prime is 87582757. The reversal of 87582751 is 15728578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87582751 - 2¹ = 87582749 is a prime.

Together with 87582749, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 87582698 and 87582707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87582757) 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, 43791375 + 43791376.

It is an arithmetic number, because the mean of its divisors is an integer number (43791376).

Almost surely, 2^87582751 is an apocalyptic number.

87582751 is a deficient number, since it is larger than the sum of its proper divisors (1).

87582751 is an equidigital number, since it uses as much as digits as its factorization.

87582751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 43.

The square root of 87582751 is about 9358.5656486451. The cubic root of 87582751 is about 444.0919090500.

The spelling of 87582751 in words is "eighty-seven million, five hundred eighty-two thousand, seven hundred fifty-one".