86021559727 has 4 divisors (see below), whose sum is σ = 88022061160. Its totient is φ = 84021058296.

The previous prime is 86021559601. The next prime is 86021559739. The reversal of 86021559727 is 72795512068.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86021559727 - 2¹⁵ = 86021526959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86021559787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000250652 + ... + 1000250737.

It is an arithmetic number, because the mean of its divisors is an integer number (22005515290).

Almost surely, 2^86021559727 is an apocalyptic number.

86021559727 is a deficient number, since it is larger than the sum of its proper divisors (2000501433).

86021559727 is a wasteful number, since it uses less digits than its factorization.

86021559727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000501432.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 86021559727 in words is "eighty-six billion, twenty-one million, five hundred fifty-nine thousand, seven hundred twenty-seven".