84868461 has 6 divisors (see below), whose sum is σ = 122587790. Its totient is φ = 56578968.

The previous prime is 84868457. The next prime is 84868477. The reversal of 84868461 is 16486848.

It can be written as a sum of positive squares in only one way, i.e., 59768361 + 25100100 = 7731^2 + 5010^2 .

It is not a de Polignac number, because 84868461 - 2² = 84868457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84868411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4714906 + ... + 4714923.

Almost surely, 2^84868461 is an apocalyptic number.

It is an amenable number.

84868461 is a deficient number, since it is larger than the sum of its proper divisors (37719329).

84868461 is a wasteful number, since it uses less digits than its factorization.

84868461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429835 (or 9429832 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 84868461 is about 9212.4079913994. The cubic root of 84868461 is about 439.4560444029.

The spelling of 84868461 in words is "eighty-four million, eight hundred sixty-eight thousand, four hundred sixty-one".