84613893959 has 4 divisors (see below), whose sum is σ = 96701593104. Its totient is φ = 72526194816.

The previous prime is 84613893929. The next prime is 84613894019. The reversal of 84613893959 is 95939831648.

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 84613893959 - 2⁸ = 84613893703 is a prime.

It is a super-2 number, since 2×84613893959² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84613893895 and 84613893904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84613893929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6043849562 + ... + 6043849575.

It is an arithmetic number, because the mean of its divisors is an integer number (24175398276).

Almost surely, 2^84613893959 is an apocalyptic number.

84613893959 is a deficient number, since it is larger than the sum of its proper divisors (12087699145).

84613893959 is a wasteful number, since it uses less digits than its factorization.

84613893959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12087699144.

The product of its digits is 50388480, while the sum is 65.

The spelling of 84613893959 in words is "eighty-four billion, six hundred thirteen million, eight hundred ninety-three thousand, nine hundred fifty-nine".