86648357 has 2 divisors, whose sum is σ = 86648358. Its totient is φ = 86648356.

The previous prime is 86648251. The next prime is 86648377. The reversal of 86648357 is 75384668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79673476 + 6974881 = 8926^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 86648357 - 2⁸ = 86648101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86648377) 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 as a sum of consecutive naturals, namely, 43324178 + 43324179.

It is an arithmetic number, because the mean of its divisors is an integer number (43324179).

Almost surely, 2^86648357 is an apocalyptic number.

It is an amenable number.

86648357 is a deficient number, since it is larger than the sum of its proper divisors (1).

86648357 is an equidigital number, since it uses as much as digits as its factorization.

86648357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 86648357 is about 9308.5099237203. The cubic root of 86648357 is about 442.5069648962.

The spelling of 86648357 in words is "eighty-six million, six hundred forty-eight thousand, three hundred fifty-seven".