77799342241 has 4 divisors (see below), whose sum is σ = 77800222912. Its totient is φ = 77798461572.

The previous prime is 77799342223. The next prime is 77799342319. The reversal of 77799342241 is 14224399777.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77799342241 - 2⁹ = 77799341729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77799342211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290925 + ... + 490138.

It is an arithmetic number, because the mean of its divisors is an integer number (19450055728).

Almost surely, 2^77799342241 is an apocalyptic number.

It is an amenable number.

77799342241 is a deficient number, since it is larger than the sum of its proper divisors (880671).

77799342241 is an equidigital number, since it uses as much as digits as its factorization.

77799342241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880670.

The product of its digits is 5334336, while the sum is 55.

The spelling of 77799342241 in words is "seventy-seven billion, seven hundred ninety-nine million, three hundred forty-two thousand, two hundred forty-one".