86421627 has 8 divisors (see below), whose sum is σ = 128032080. Its totient is φ = 57614400.

The previous prime is 86421611. The next prime is 86421637. The reversal of 86421627 is 72612468.

86421627 is a `hidden beast` number, since 8 + 6 + 4 + 21 + 627 = 666.

It is not a de Polignac number, because 86421627 - 2⁴ = 86421611 is a prime.

It is a super-2 number, since 2×86421627² = 14937395226654258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86421591 and 86421600.

It is not an unprimeable number, because it can be changed into a prime (86421637) 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, 1600374 + ... + 1600427.

It is an arithmetic number, because the mean of its divisors is an integer number (16004010).

Almost surely, 2^86421627 is an apocalyptic number.

86421627 is a deficient number, since it is larger than the sum of its proper divisors (41610453).

86421627 is a wasteful number, since it uses less digits than its factorization.

86421627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200810 (or 3200804 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 86421627 is about 9296.3233054794. The cubic root of 86421627 is about 442.1206631249.

The spelling of 86421627 in words is "eighty-six million, four hundred twenty-one thousand, six hundred twenty-seven".