73854799877 has 4 divisors (see below), whose sum is σ = 73917336876. Its totient is φ = 73792262880.

The previous prime is 73854799849. The next prime is 73854799913. The reversal of 73854799877 is 77899745837.

It is a happy number.

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 69498667876 + 4356132001 = 263626^2 + 66001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73854799877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73854796877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31266728 + ... + 31269089.

It is an arithmetic number, because the mean of its divisors is an integer number (18479334219).

Almost surely, 2^73854799877 is an apocalyptic number.

It is an amenable number.

73854799877 is a deficient number, since it is larger than the sum of its proper divisors (62536999).

73854799877 is a wasteful number, since it uses less digits than its factorization.

73854799877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62536998.

The product of its digits is 746807040, while the sum is 74.

The spelling of 73854799877 in words is "seventy-three billion, eight hundred fifty-four million, seven hundred ninety-nine thousand, eight hundred seventy-seven".