8535998405 has 16 divisors (see below), whose sum is σ = 11327477184. Its totient is φ = 6122954880.

The previous prime is 8535998371. The next prime is 8535998407. The reversal of 8535998405 is 5048995358.

It is a de Polignac number, because none of the positive numbers 2^k-8535998405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8535998407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058999 + ... + 1067028.

It is an arithmetic number, because the mean of its divisors is an integer number (707967324).

Almost surely, 2^8535998405 is an apocalyptic number.

It is an amenable number.

8535998405 is a deficient number, since it is larger than the sum of its proper divisors (2791478779).

8535998405 is a wasteful number, since it uses less digits than its factorization.

8535998405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126116.

The product of its (nonzero) digits is 7776000, while the sum is 56.

The square root of 8535998405 is about 92390.4670677663. The cubic root of 8535998405 is about 2043.7045339853.

The spelling of 8535998405 in words is "eight billion, five hundred thirty-five million, nine hundred ninety-eight thousand, four hundred five".