77120447650341 has 4 divisors (see below), whose sum is σ = 102827263533792. Its totient is φ = 51413631766892.

The previous prime is 77120447650339. The next prime is 77120447650361. The reversal of 77120447650341 is 14305674402177.

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 77120447650341 - 2¹ = 77120447650339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77120447650321) 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, 12853407941721 + ... + 12853407941726.

It is an arithmetic number, because the mean of its divisors is an integer number (25706815883448).

Almost surely, 2^{77120447650341} is an apocalyptic number.

It is an amenable number.

77120447650341 is a deficient number, since it is larger than the sum of its proper divisors (25706815883451).

77120447650341 is a wasteful number, since it uses less digits than its factorization.

77120447650341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25706815883450.

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 77120447650341 in words is "seventy-seven trillion, one hundred twenty billion, four hundred forty-seven million, six hundred fifty thousand, three hundred forty-one".