73977224011 has 4 divisors (see below), whose sum is σ = 76528162800. Its totient is φ = 71426285224.

The previous prime is 73977223973. The next prime is 73977224053. The reversal of 73977224011 is 11042277937.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73977224011 - 2¹⁷ = 73977092939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73977224911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275469351 + ... + 1275469408.

It is an arithmetic number, because the mean of its divisors is an integer number (19132040700).

Almost surely, 2^73977224011 is an apocalyptic number.

73977224011 is a deficient number, since it is larger than the sum of its proper divisors (2550938789).

73977224011 is a wasteful number, since it uses less digits than its factorization.

73977224011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550938788.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 73977224011 in words is "seventy-three billion, nine hundred seventy-seven million, two hundred twenty-four thousand, eleven".