84854761 has 2 divisors, whose sum is σ = 84854762. Its totient is φ = 84854760.

The previous prime is 84854747. The next prime is 84854767. The reversal of 84854761 is 16745848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57229225 + 27625536 = 7565^2 + 5256^2 .

It is a cyclic number.

It is not a de Polignac number, because 84854761 - 2⁵ = 84854729 is a prime.

It is not a weakly prime, because it can be changed into another prime (84854767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42427380 + 42427381.

It is an arithmetic number, because the mean of its divisors is an integer number (42427381).

Almost surely, 2^84854761 is an apocalyptic number.

It is an amenable number.

84854761 is a deficient number, since it is larger than the sum of its proper divisors (1).

84854761 is an equidigital number, since it uses as much as digits as its factorization.

84854761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 43.

The square root of 84854761 is about 9211.6643990106. The cubic root of 84854761 is about 439.4323965455.

The spelling of 84854761 in words is "eighty-four million, eight hundred fifty-four thousand, seven hundred sixty-one".