84011774265 has 64 divisors (see below), whose sum is σ = 153522190080. Its totient is φ = 43563409920.

The previous prime is 84011774153. The next prime is 84011774321. The reversal of 84011774265 is 56247711048.

It is not a de Polignac number, because 84011774265 - 2⁹ = 84011773753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84011774265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1595854 + ... + 1647656.

It is an arithmetic number, because the mean of its divisors is an integer number (2398784220).

Almost surely, 2^84011774265 is an apocalyptic number.

It is an amenable number.

84011774265 is a deficient number, since it is larger than the sum of its proper divisors (69510415815).

84011774265 is a wasteful number, since it uses less digits than its factorization.

84011774265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52151 (or 52145 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 84011774265 in words is "eighty-four billion, eleven million, seven hundred seventy-four thousand, two hundred sixty-five".