77243146532346 has 32 divisors (see below), whose sum is σ = 154747800028800. Its totient is φ = 25704133019136.

The previous prime is 77243146532329. The next prime is 77243146532347. The reversal of 77243146532346 is 64323564134277.

It is not an unprimeable number, because it can be changed into a prime (77243146532347) 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 15 ways as a sum of consecutive naturals, for example, 170477970 + ... + 170930466.

It is an arithmetic number, because the mean of its divisors is an integer number (4835868750900).

Almost surely, 2^{77243146532346} is an apocalyptic number.

77243146532346 is an abundant number, since it is smaller than the sum of its proper divisors (77504653496454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77243146532346 is a wasteful number, since it uses less digits than its factorization.

77243146532346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500598.

The product of its digits is 60963840, while the sum is 57.

The spelling of 77243146532346 in words is "seventy-seven trillion, two hundred forty-three billion, one hundred forty-six million, five hundred thirty-two thousand, three hundred forty-six".