84057802212 has 24 divisors (see below), whose sum is σ = 196773756256. Its totient is φ = 27927998208.

The previous prime is 84057802181. The next prime is 84057802243. The reversal of 84057802212 is 21220875048.

It is an interprime number because it is at equal distance from previous prime (84057802181) and next prime (84057802243).

It is a super-2 number, since 2×84057802212² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11404813 + ... + 11412180.

Almost surely, 2^84057802212 is an apocalyptic number.

It is an amenable number.

84057802212 is an abundant number, since it is smaller than the sum of its proper divisors (112715954044).

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

84057802212 is a wasteful number, since it uses less digits than its factorization.

84057802212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22817307 (or 22817305 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 84057802212 in words is "eighty-four billion, fifty-seven million, eight hundred two thousand, two hundred twelve".