84820636900 has 36 divisors (see below), whose sum is σ = 184250550960. Its totient is φ = 33893274400.

The previous prime is 84820636897. The next prime is 84820636919. The reversal of 84820636900 is 963602848.

It is a happy number.

It is a super-2 number, since 2×84820636900² (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 11 ways as a sum of consecutive naturals, for example, 339670 + ... + 533869.

It is an arithmetic number, because the mean of its divisors is an integer number (5118070860).

Almost surely, 2^84820636900 is an apocalyptic number.

It is an amenable number.

84820636900 is an abundant number, since it is smaller than the sum of its proper divisors (99429914060).

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

84820636900 is a wasteful number, since it uses less digits than its factorization.

84820636900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874524 (or 874517 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 84820636900 in words is "eighty-four billion, eight hundred twenty million, six hundred thirty-six thousand, nine hundred".