84652817 has 2 divisors, whose sum is σ = 84652818. Its totient is φ = 84652816.

The previous prime is 84652759. The next prime is 84652829. The reversal of 84652817 is 71825648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77598481 + 7054336 = 8809^2 + 2656^2 .

It is a cyclic number.

It is not a de Polignac number, because 84652817 - 2⁶ = 84652753 is a prime.

It is not a weakly prime, because it can be changed into another prime (84652837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42326408 + 42326409.

It is an arithmetic number, because the mean of its divisors is an integer number (42326409).

Almost surely, 2^84652817 is an apocalyptic number.

It is an amenable number.

84652817 is a deficient number, since it is larger than the sum of its proper divisors (1).

84652817 is an equidigital number, since it uses as much as digits as its factorization.

84652817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 41.

The square root of 84652817 is about 9200.6965497184. The cubic root of 84652817 is about 439.0835211045.

It can be divided in two parts, 84 and 652817, that multiplied together give a triangular number (54836628 = T₁₀₄₇₂).

The spelling of 84652817 in words is "eighty-four million, six hundred fifty-two thousand, eight hundred seventeen".