84211494828 has 24 divisors (see below), whose sum is σ = 197927750832. Its totient is φ = 27865603584.

The previous prime is 84211494817. The next prime is 84211494847. The reversal of 84211494828 is 82849411248.

It is a happy number.

It is a super-2 number, since 2×84211494828² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25610125 + ... + 25613412.

It is an arithmetic number, because the mean of its divisors is an integer number (8246989618).

Almost surely, 2^84211494828 is an apocalyptic number.

It is an amenable number.

84211494828 is an abundant number, since it is smaller than the sum of its proper divisors (113716256004).

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

84211494828 is a wasteful number, since it uses less digits than its factorization.

84211494828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51223681 (or 51223679 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 51.

The spelling of 84211494828 in words is "eighty-four billion, two hundred eleven million, four hundred ninety-four thousand, eight hundred twenty-eight".