84022511913 has 24 divisors (see below), whose sum is σ = 126244602120. Its totient is φ = 53784622080.

The previous prime is 84022511899. The next prime is 84022511953. The reversal of 84022511913 is 31911522048.

It can be written as a sum of positive squares in 4 ways, for example, as 2645250624 + 81377261289 = 51432^2 + 285267^2 .

It is not a de Polignac number, because 84022511913 - 2¹⁰ = 84022510889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84022511953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 842056 + ... + 936537.

It is an arithmetic number, because the mean of its divisors is an integer number (5260191755).

Almost surely, 2^84022511913 is an apocalyptic number.

It is an amenable number.

84022511913 is a deficient number, since it is larger than the sum of its proper divisors (42222090207).

84022511913 is a wasteful number, since it uses less digits than its factorization.

84022511913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778809 (or 1778806 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 84022511913 in words is "eighty-four billion, twenty-two million, five hundred eleven thousand, nine hundred thirteen".