86861027 has 8 divisors (see below), whose sum is σ = 99744960. Its totient is φ = 74808360.

The previous prime is 86861023. The next prime is 86861057. The reversal of 86861027 is 72016868.

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

It is not a de Polignac number, because 86861027 - 2² = 86861023 is a prime.

It is a super-2 number, since 2×86861027² = 15089676022989458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86861023) 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, 207593 + ... + 208010.

It is an arithmetic number, because the mean of its divisors is an integer number (12468120).

Almost surely, 2^86861027 is an apocalyptic number.

86861027 is a deficient number, since it is larger than the sum of its proper divisors (12883933).

86861027 is a wasteful number, since it uses less digits than its factorization.

86861027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415633.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 86861027 is about 9319.9263409106. The cubic root of 86861027 is about 442.8686992723.

The spelling of 86861027 in words is "eighty-six million, eight hundred sixty-one thousand, twenty-seven".