86757887 has 2 divisors, whose sum is σ = 86757888. Its totient is φ = 86757886.

The previous prime is 86757841. The next prime is 86757929. The reversal of 86757887 is 78875768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86757887 - 2⁸ = 86757631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86757487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43378943 + 43378944.

It is an arithmetic number, because the mean of its divisors is an integer number (43378944).

Almost surely, 2^86757887 is an apocalyptic number.

86757887 is a deficient number, since it is larger than the sum of its proper divisors (1).

86757887 is an equidigital number, since it uses as much as digits as its factorization.

86757887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5268480, while the sum is 56.

The square root of 86757887 is about 9314.3913918194. The cubic root of 86757887 is about 442.6933403474.

The spelling of 86757887 in words is "eighty-six million, seven hundred fifty-seven thousand, eight hundred eighty-seven".