77730030577848 has 64 divisors (see below), whose sum is σ = 211993740097920. Its totient is φ = 23554249430400.

The previous prime is 77730030577763. The next prime is 77730030577907. The reversal of 77730030577848 is 84877503003777.

77730030577848 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×77730030577848² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18929511 + ... + 22666857.

It is an arithmetic number, because the mean of its divisors is an integer number (3312402189030).

Almost surely, 2^{77730030577848} is an apocalyptic number.

It is an amenable number.

77730030577848 is an abundant number, since it is smaller than the sum of its proper divisors (134263709520072).

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

77730030577848 is a wasteful number, since it uses less digits than its factorization.

77730030577848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816148 (or 3816144 counting only the distinct ones).

The product of its (nonzero) digits is 193616640, while the sum is 66.

The spelling of 77730030577848 in words is "seventy-seven trillion, seven hundred thirty billion, thirty million, five hundred seventy-seven thousand, eight hundred forty-eight".