77224194201 has 24 divisors (see below), whose sum is σ = 129345211072. Its totient is φ = 40116463200.

The previous prime is 77224194193. The next prime is 77224194317. The reversal of 77224194201 is 10249142277.

It is not a de Polignac number, because 77224194201 - 2³ = 77224194193 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 77224194201.

It is not an unprimeable number, because it can be changed into a prime (77224174201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15193090 + ... + 15198171.

Almost surely, 2^77224194201 is an apocalyptic number.

It is an amenable number.

77224194201 is a deficient number, since it is larger than the sum of its proper divisors (52121016871).

77224194201 is a wasteful number, since it uses less digits than its factorization.

77224194201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30391293 (or 30391282 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 77224194201 in words is "seventy-seven billion, two hundred twenty-four million, one hundred ninety-four thousand, two hundred one".