84158003886 has 64 divisors (see below), whose sum is σ = 190056948480. Its totient is φ = 24609052160.

The previous prime is 84158003873. The next prime is 84158003899. The reversal of 84158003886 is 68830085148.

It is an interprime number because it is at equal distance from previous prime (84158003873) and next prime (84158003899).

It is a super-2 number, since 2×84158003886² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3638470 + ... + 3661526.

It is an arithmetic number, because the mean of its divisors is an integer number (2969639820).

Almost surely, 2^84158003886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84158003886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95028474240).

84158003886 is an abundant number, since it is smaller than the sum of its proper divisors (105898944594).

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

84158003886 is a wasteful number, since it uses less digits than its factorization.

84158003886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25009.

The product of its (nonzero) digits is 1474560, while the sum is 51.

The spelling of 84158003886 in words is "eighty-four billion, one hundred fifty-eight million, three thousand, eight hundred eighty-six".