8534211804 has 18 divisors (see below), whose sum is σ = 21572591040. Its totient is φ = 2844737256.

The previous prime is 8534211793. The next prime is 8534211811. The reversal of 8534211804 is 4081124358.

8534211804 is a `hidden beast` number, since 8 + 53 + 421 + 180 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×8534211804² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 237061439 = 8534211804 / (8 + 5 + 3 + 4 + 2 + 1 + 1 + 8 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118530684 + ... + 118530755.

It is an arithmetic number, because the mean of its divisors is an integer number (1198477280).

Almost surely, 2^8534211804 is an apocalyptic number.

It is an amenable number.

8534211804 is an abundant number, since it is smaller than the sum of its proper divisors (13038379236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8534211804 is a wasteful number, since it uses less digits than its factorization.

8534211804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237061449 (or 237061444 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 8534211804 is about 92380.7978099345. The cubic root of 8534211804 is about 2043.5619402639.

The spelling of 8534211804 in words is "eight billion, five hundred thirty-four million, two hundred eleven thousand, eight hundred four".