84613893895 has 4 divisors (see below), whose sum is σ = 101536672680. Its totient is φ = 67691115112.

The previous prime is 84613893893. The next prime is 84613893929. The reversal of 84613893895 is 59839831648.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84613893895 - 2¹ = 84613893893 is a prime.

It is a super-2 number, since 2×84613893895² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84613893893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8461389385 + ... + 8461389394.

It is an arithmetic number, because the mean of its divisors is an integer number (25384168170).

Almost surely, 2^84613893895 is an apocalyptic number.

84613893895 is a deficient number, since it is larger than the sum of its proper divisors (16922778785).

84613893895 is a wasteful number, since it uses less digits than its factorization.

84613893895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16922778784.

The product of its digits is 44789760, while the sum is 64.

The spelling of 84613893895 in words is "eighty-four billion, six hundred thirteen million, eight hundred ninety-three thousand, eight hundred ninety-five".