84160457 has 2 divisors, whose sum is σ = 84160458. Its totient is φ = 84160456.

The previous prime is 84160429. The next prime is 84160463. The reversal of 84160457 is 75406148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59845696 + 24314761 = 7736^2 + 4931^2 .

It is a cyclic number.

It is not a de Polignac number, because 84160457 - 2¹⁰ = 84159433 is a prime.

It is not a weakly prime, because it can be changed into another prime (84160057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42080228 + 42080229.

It is an arithmetic number, because the mean of its divisors is an integer number (42080229).

Almost surely, 2^84160457 is an apocalyptic number.

It is an amenable number.

84160457 is a deficient number, since it is larger than the sum of its proper divisors (1).

84160457 is an equidigital number, since it uses as much as digits as its factorization.

84160457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 84160457 is about 9173.9008605936. The cubic root of 84160457 is about 438.2305955476.

The spelling of 84160457 in words is "eighty-four million, one hundred sixty thousand, four hundred fifty-seven".