84905835393 has 8 divisors (see below), whose sum is σ = 113234378400. Its totient is φ = 56590591328.

The previous prime is 84905835389. The next prime is 84905835407. The reversal of 84905835393 is 39353850948.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84905835393 - 2² = 84905835389 is a prime.

It is a super-2 number, since 2×84905835393² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84905835193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3309828 + ... + 3335381.

It is an arithmetic number, because the mean of its divisors is an integer number (14154297300).

Almost surely, 2^84905835393 is an apocalyptic number.

It is an amenable number.

84905835393 is a deficient number, since it is larger than the sum of its proper divisors (28328543007).

84905835393 is a wasteful number, since it uses less digits than its factorization.

84905835393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649471.

The product of its (nonzero) digits is 13996800, while the sum is 57.

The spelling of 84905835393 in words is "eighty-four billion, nine hundred five million, eight hundred thirty-five thousand, three hundred ninety-three".