86870827 has 2 divisors, whose sum is σ = 86870828. Its totient is φ = 86870826.

The previous prime is 86870821. The next prime is 86870881. The reversal of 86870827 is 72807868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86870827 - 2²³ = 78482219 is a prime.

It is not a weakly prime, because it can be changed into another prime (86870821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43435413 + 43435414.

It is an arithmetic number, because the mean of its divisors is an integer number (43435414).

Almost surely, 2^86870827 is an apocalyptic number.

86870827 is a deficient number, since it is larger than the sum of its proper divisors (1).

86870827 is an equidigital number, since it uses as much as digits as its factorization.

86870827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 86870827 is about 9320.4520813102. The cubic root of 86870827 is about 442.8853540375.

The spelling of 86870827 in words is "eighty-six million, eight hundred seventy thousand, eight hundred twenty-seven".