77730053462834 has 8 divisors (see below), whose sum is σ = 116595547591068. Its totient is φ = 38864870932480.

The previous prime is 77730053462797. The next prime is 77730053462839. The reversal of 77730053462834 is 43826435003777.

It can be written as a sum of positive squares in 2 ways, for example, as 73606704919225 + 4123348543609 = 8579435^2 + 2030603^2 .

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

It is a super-2 number, since 2×77730053462834² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77730053462839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77274827 + ... + 78274254.

Almost surely, 2^{77730053462834} is an apocalyptic number.

77730053462834 is a deficient number, since it is larger than the sum of its proper divisors (38865494128234).

77730053462834 is a wasteful number, since it uses less digits than its factorization.

77730053462834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155798940.

The product of its (nonzero) digits is 71124480, while the sum is 59.

The spelling of 77730053462834 in words is "seventy-seven trillion, seven hundred thirty billion, fifty-three million, four hundred sixty-two thousand, eight hundred thirty-four".