84475457683 has 2 divisors, whose sum is σ = 84475457684. Its totient is φ = 84475457682.

The previous prime is 84475457659. The next prime is 84475457687. The reversal of 84475457683 is 38675457448.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84475457683 is a prime.

It is a super-2 number, since 2×84475457683² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84475457687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42237728841 + 42237728842.

It is an arithmetic number, because the mean of its divisors is an integer number (42237728842).

Almost surely, 2^84475457683 is an apocalyptic number.

84475457683 is a deficient number, since it is larger than the sum of its proper divisors (1).

84475457683 is an equidigital number, since it uses as much as digits as its factorization.

84475457683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90316800, while the sum is 61.

The spelling of 84475457683 in words is "eighty-four billion, four hundred seventy-five million, four hundred fifty-seven thousand, six hundred eighty-three".