84963797 has 2 divisors, whose sum is σ = 84963798. Its totient is φ = 84963796.

The previous prime is 84963793. The next prime is 84963799. The reversal of 84963797 is 79736948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71757841 + 13205956 = 8471^2 + 3634^2 .

It is a cyclic number.

It is not a de Polignac number, because 84963797 - 2² = 84963793 is a prime.

Together with 84963799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84963793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42481898 + 42481899.

It is an arithmetic number, because the mean of its divisors is an integer number (42481899).

Almost surely, 2^84963797 is an apocalyptic number.

It is an amenable number.

84963797 is a deficient number, since it is larger than the sum of its proper divisors (1).

84963797 is an equidigital number, since it uses as much as digits as its factorization.

84963797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 84963797 is about 9217.5808648473. The cubic root of 84963797 is about 439.6205354398.

It can be divided in two parts, 849 and 63797, that added together give a palindrome (64646).

The spelling of 84963797 in words is "eighty-four million, nine hundred sixty-three thousand, seven hundred ninety-seven".