77242436651356 has 12 divisors (see below), whose sum is σ = 135174420683568. Its totient is φ = 38621173598912.

The previous prime is 77242436651297. The next prime is 77242436651381. The reversal of 77242436651356 is 65315663424277.

It is a junction number, because it is equal to n+sod(n) for n = 77242436651294 and 77242436651303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7133101 + ... + 14330596.

It is an arithmetic number, because the mean of its divisors is an integer number (11264535056964).

Almost surely, 2^{77242436651356} is an apocalyptic number.

It is an amenable number.

77242436651356 is a deficient number, since it is larger than the sum of its proper divisors (57931984032212).

77242436651356 is a wasteful number, since it uses less digits than its factorization.

77242436651356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22363388 (or 22363386 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 61.

The spelling of 77242436651356 in words is "seventy-seven trillion, two hundred forty-two billion, four hundred thirty-six million, six hundred fifty-one thousand, three hundred fifty-six".