77733343358620 has 24 divisors (see below), whose sum is σ = 163241144514000. Its totient is φ = 31093123350912.

The previous prime is 77733343358609. The next prime is 77733343358621. The reversal of 77733343358620 is 2685334333777.

It is a super-2 number, since 2×77733343358620² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77733343358621) 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 7 ways as a sum of consecutive naturals, for example, 10379505 + ... + 16223464.

It is an arithmetic number, because the mean of its divisors is an integer number (6801714354750).

Almost surely, 2^{77733343358620} is an apocalyptic number.

It is an amenable number.

77733343358620 is an abundant number, since it is smaller than the sum of its proper divisors (85507801155380).

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

77733343358620 is a wasteful number, since it uses less digits than its factorization.

77733343358620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26749077 (or 26749075 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 61.

The spelling of 77733343358620 in words is "seventy-seven trillion, seven hundred thirty-three billion, three hundred forty-three million, three hundred fifty-eight thousand, six hundred twenty".