77752553324 has 24 divisors (see below), whose sum is σ = 138682898928. Its totient is φ = 38129382720.

The previous prime is 77752553323. The next prime is 77752553363. The reversal of 77752553324 is 42335525777.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (77752553323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555539 + ... + 681269.

It is an arithmetic number, because the mean of its divisors is an integer number (5778454122).

Almost surely, 2^77752553324 is an apocalyptic number.

It is an amenable number.

77752553324 is a deficient number, since it is larger than the sum of its proper divisors (60930345604).

77752553324 is a wasteful number, since it uses less digits than its factorization.

77752553324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128705 (or 128703 counting only the distinct ones).

The product of its digits is 6174000, while the sum is 50.

The spelling of 77752553324 in words is "seventy-seven billion, seven hundred fifty-two million, five hundred fifty-three thousand, three hundred twenty-four".