84030827 has 2 divisors, whose sum is σ = 84030828. Its totient is φ = 84030826.

The previous prime is 84030823. The next prime is 84030833. The reversal of 84030827 is 72803048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84030827 - 2² = 84030823 is a prime.

It is a super-2 number, since 2×84030827² = 14122359772607858, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84030793 and 84030802.

It is not a weakly prime, because it can be changed into another prime (84030823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42015413 + 42015414.

It is an arithmetic number, because the mean of its divisors is an integer number (42015414).

Almost surely, 2^84030827 is an apocalyptic number.

84030827 is a deficient number, since it is larger than the sum of its proper divisors (1).

84030827 is an equidigital number, since it uses as much as digits as its factorization.

84030827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 84030827 is about 9166.8329863699. The cubic root of 84030827 is about 438.0054818160.

The spelling of 84030827 in words is "eighty-four million, thirty thousand, eight hundred twenty-seven".