86758751 has 2 divisors, whose sum is σ = 86758752. Its totient is φ = 86758750.

The previous prime is 86758717. The next prime is 86758759. The reversal of 86758751 is 15785768.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86758751 - 2¹⁴ = 86742367 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86758696 and 86758705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86758759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43379375 + 43379376.

It is an arithmetic number, because the mean of its divisors is an integer number (43379376).

Almost surely, 2^86758751 is an apocalyptic number.

86758751 is a deficient number, since it is larger than the sum of its proper divisors (1).

86758751 is an equidigital number, since it uses as much as digits as its factorization.

86758751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 47.

The square root of 86758751 is about 9314.4377715458. The cubic root of 86758751 is about 442.6948098997.

The spelling of 86758751 in words is "eighty-six million, seven hundred fifty-eight thousand, seven hundred fifty-one".