84854677 has 2 divisors, whose sum is σ = 84854678. Its totient is φ = 84854676.

The previous prime is 84854663. The next prime is 84854681. The reversal of 84854677 is 77645848.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82464561 + 2390116 = 9081^2 + 1546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84854677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84854677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84854687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42427338 + 42427339.

It is an arithmetic number, because the mean of its divisors is an integer number (42427339).

Almost surely, 2^84854677 is an apocalyptic number.

It is an amenable number.

84854677 is a deficient number, since it is larger than the sum of its proper divisors (1).

84854677 is an equidigital number, since it uses as much as digits as its factorization.

84854677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1505280, while the sum is 49.

The square root of 84854677 is about 9211.6598395729. The cubic root of 84854677 is about 439.4322515435.

The spelling of 84854677 in words is "eighty-four million, eight hundred fifty-four thousand, six hundred seventy-seven".