84653657107 has 2 divisors, whose sum is σ = 84653657108. Its totient is φ = 84653657106.

The previous prime is 84653657069. The next prime is 84653657111. The reversal of 84653657107 is 70175635648.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84653657107 is a prime.

It is not a weakly prime, because it can be changed into another prime (84653057107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42326828553 + 42326828554.

It is an arithmetic number, because the mean of its divisors is an integer number (42326828554).

Almost surely, 2^84653657107 is an apocalyptic number.

84653657107 is a deficient number, since it is larger than the sum of its proper divisors (1).

84653657107 is an equidigital number, since it uses as much as digits as its factorization.

84653657107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 84653657107 in words is "eighty-four billion, six hundred fifty-three million, six hundred fifty-seven thousand, one hundred seven".