77243570145230 has 32 divisors (see below), whose sum is σ = 139121780929056. Its totient is φ = 30878909679744.

The previous prime is 77243570145211. The next prime is 77243570145359. The reversal of 77243570145230 is 3254107534277.

It is a congruent number.

It is an unprimeable number.

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, 127908752 + ... + 128511228.

It is an arithmetic number, because the mean of its divisors is an integer number (4347555654033).

Almost surely, 2^{77243570145230} is an apocalyptic number.

77243570145230 is a deficient number, since it is larger than the sum of its proper divisors (61878210783826).

77243570145230 is a wasteful number, since it uses less digits than its factorization.

77243570145230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610148.

The product of its (nonzero) digits is 4939200, while the sum is 50.

The spelling of 77243570145230 in words is "seventy-seven trillion, two hundred forty-three billion, five hundred seventy million, one hundred forty-five thousand, two hundred thirty".