84700427 has 8 divisors (see below), whose sum is σ = 96974592. Its totient is φ = 72469800.

The previous prime is 84700417. The next prime is 84700433. The reversal of 84700427 is 72400748.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84700427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84700393 and 84700402.

It is not an unprimeable number, because it can be changed into a prime (84700417) 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, 6599 + ... + 14592.

It is an arithmetic number, because the mean of its divisors is an integer number (12121824).

Almost surely, 2^84700427 is an apocalyptic number.

84700427 is a deficient number, since it is larger than the sum of its proper divisors (12274165).

84700427 is a wasteful number, since it uses less digits than its factorization.

84700427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21769.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 84700427 is about 9203.2834901463. The cubic root of 84700427 is about 439.1658213726.

The spelling of 84700427 in words is "eighty-four million, seven hundred thousand, four hundred twenty-seven".