86211087 has 8 divisors (see below), whose sum is σ = 117621504. Its totient is φ = 56137368.

The previous prime is 86211079. The next prime is 86211089. The reversal of 86211087 is 78011268.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86211087 - 2³ = 86211079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86211089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334023 + ... + 334280.

It is an arithmetic number, because the mean of its divisors is an integer number (14702688).

Almost surely, 2^86211087 is an apocalyptic number.

86211087 is a deficient number, since it is larger than the sum of its proper divisors (31410417).

86211087 is a wasteful number, since it uses less digits than its factorization.

86211087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668349.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 86211087 is about 9284.9925686562. The cubic root of 86211087 is about 441.7613403471.

The spelling of 86211087 in words is "eighty-six million, two hundred eleven thousand, eighty-seven".