84661027 has 4 divisors (see below), whose sum is σ = 92357496. Its totient is φ = 76964560.

The previous prime is 84661021. The next prime is 84661033. The reversal of 84661027 is 72016648.

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

It is an interprime number because it is at equal distance from previous prime (84661021) and next prime (84661033).

It is a cyclic number.

It is not a de Polignac number, because 84661027 - 2¹¹ = 84658979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84660983 and 84661001.

It is not an unprimeable number, because it can be changed into a prime (84661021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3848218 + ... + 3848239.

It is an arithmetic number, because the mean of its divisors is an integer number (23089374).

Almost surely, 2^84661027 is an apocalyptic number.

84661027 is a deficient number, since it is larger than the sum of its proper divisors (7696469).

84661027 is a wasteful number, since it uses less digits than its factorization.

84661027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7696468.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 84661027 is about 9201.1427007736. The cubic root of 84661027 is about 439.0977153916.

The spelling of 84661027 in words is "eighty-four million, six hundred sixty-one thousand, twenty-seven".