84883861 has 2 divisors, whose sum is σ = 84883862. Its totient is φ = 84883860.

The previous prime is 84883853. The next prime is 84883891. The reversal of 84883861 is 16838848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59582961 + 25300900 = 7719^2 + 5030^2 .

It is a cyclic number.

It is not a de Polignac number, because 84883861 - 2³ = 84883853 is a prime.

It is a super-3 number, since 3×84883861³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84883891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42441930 + 42441931.

It is an arithmetic number, because the mean of its divisors is an integer number (42441931).

Almost surely, 2^84883861 is an apocalyptic number.

It is an amenable number.

84883861 is a deficient number, since it is larger than the sum of its proper divisors (1).

84883861 is an equidigital number, since it uses as much as digits as its factorization.

84883861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 46.

The square root of 84883861 is about 9213.2437827293. The cubic root of 84883861 is about 439.4826236280.

The spelling of 84883861 in words is "eighty-four million, eight hundred eighty-three thousand, eight hundred sixty-one".