84700417 has 2 divisors, whose sum is σ = 84700418. Its totient is φ = 84700416.

The previous prime is 84700381. The next prime is 84700433. The reversal of 84700417 is 71400748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43020481 + 41679936 = 6559^2 + 6456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84700417 is a prime.

It is a Chen prime.

It is equal to p_4927351 and since 84700417 and 4927351 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84700457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42350208 + 42350209.

It is an arithmetic number, because the mean of its divisors is an integer number (42350209).

Almost surely, 2^84700417 is an apocalyptic number.

It is an amenable number.

84700417 is a deficient number, since it is larger than the sum of its proper divisors (1).

84700417 is an equidigital number, since it uses as much as digits as its factorization.

84700417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 84700417 is about 9203.2829468620. The cubic root of 84700417 is about 439.1658040895.

The spelling of 84700417 in words is "eighty-four million, seven hundred thousand, four hundred seventeen".