77119471243 has 4 divisors (see below), whose sum is σ = 77160559680. Its totient is φ = 77078382808.

The previous prime is 77119471217. The next prime is 77119471259. The reversal of 77119471243 is 34217491177.

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 77119471243 - 2¹⁷ = 77119340171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77119471193 and 77119471202.

It is not an unprimeable number, because it can be changed into a prime (77119471843) 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, 20541403 + ... + 20545156.

It is an arithmetic number, because the mean of its divisors is an integer number (19290139920).

Almost surely, 2^77119471243 is an apocalyptic number.

77119471243 is a deficient number, since it is larger than the sum of its proper divisors (41088437).

77119471243 is a wasteful number, since it uses less digits than its factorization.

77119471243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41088436.

The product of its digits is 296352, while the sum is 46.

The spelling of 77119471243 in words is "seventy-seven billion, one hundred nineteen million, four hundred seventy-one thousand, two hundred forty-three".