77242436651357 has 8 divisors (see below), whose sum is σ = 81597179760960. Its totient is φ = 72916628712480.

The previous prime is 77242436651297. The next prime is 77242436651381. The reversal of 77242436651357 is 75315663424277.

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 77242436651357 - 2¹⁴ = 77242436634973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77242436651357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77242436651557) 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, 7233787193 + ... + 7233797870.

It is an arithmetic number, because the mean of its divisors is an integer number (10199647470120).

Almost surely, 2^{77242436651357} is an apocalyptic number.

It is an amenable number.

77242436651357 is a deficient number, since it is larger than the sum of its proper divisors (4354743109603).

77242436651357 is a wasteful number, since it uses less digits than its factorization.

77242436651357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14467585363.

The product of its digits is 177811200, while the sum is 62.

The spelling of 77242436651357 in words is "seventy-seven trillion, two hundred forty-two billion, four hundred thirty-six million, six hundred fifty-one thousand, three hundred fifty-seven".