73836763838 has 4 divisors (see below), whose sum is σ = 110755145760. Its totient is φ = 36918381918.

The previous prime is 73836763747. The next prime is 73836763843. The reversal of 73836763838 is 83836763837.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18459190958 + ... + 18459190961.

It is an arithmetic number, because the mean of its divisors is an integer number (27688786440).

Almost surely, 2^73836763838 is an apocalyptic number.

73836763838 is a deficient number, since it is larger than the sum of its proper divisors (36918381922).

73836763838 is a wasteful number, since it uses less digits than its factorization.

73836763838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36918381921.

The product of its digits is 73156608, while the sum is 62.

Subtracting 73836763838 from its reverse (83836763837), we obtain a palindrome (9999999999).

The spelling of 73836763838 in words is "seventy-three billion, eight hundred thirty-six million, seven hundred sixty-three thousand, eight hundred thirty-eight".