73884863153 has 4 divisors (see below), whose sum is σ = 75686933028. Its totient is φ = 72082793280.

The previous prime is 73884863137. The next prime is 73884863177. The reversal of 73884863153 is 35136848837.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13949499664 + 59935363489 = 118108^2 + 244817^2 .

It is a cyclic number.

It is not a de Polignac number, because 73884863153 - 2⁴ = 73884863137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73884868153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 901034876 + ... + 901034957.

It is an arithmetic number, because the mean of its divisors is an integer number (18921733257).

Almost surely, 2^73884863153 is an apocalyptic number.

It is an amenable number.

73884863153 is a deficient number, since it is larger than the sum of its proper divisors (1802069875).

73884863153 is a wasteful number, since it uses less digits than its factorization.

73884863153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802069874.

The product of its digits is 11612160, while the sum is 56.

The spelling of 73884863153 in words is "seventy-three billion, eight hundred eighty-four million, eight hundred sixty-three thousand, one hundred fifty-three".