77456016047 has 8 divisors (see below), whose sum is σ = 78633233712. Its totient is φ = 76279420800.

The previous prime is 77456015983. The next prime is 77456016049. The reversal of 77456016047 is 74061065477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77456016047 - 2⁶ = 77456015983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77456015992 and 77456016010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77456016049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98297 + ... + 405677.

It is an arithmetic number, because the mean of its divisors is an integer number (9829154214).

Almost surely, 2^77456016047 is an apocalyptic number.

77456016047 is a deficient number, since it is larger than the sum of its proper divisors (1177217665).

77456016047 is a wasteful number, since it uses less digits than its factorization.

77456016047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311209.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 77456016047 in words is "seventy-seven billion, four hundred fifty-six million, sixteen thousand, forty-seven".