77193420222750 has 64 divisors (see below), whose sum is σ = 207495913584960. Its totient is φ = 19001457283200.

The previous prime is 77193420222727. The next prime is 77193420222781. The reversal of 77193420222750 is 5722202439177.

It is a junction number, because it is equal to n+sod(n) for n = 77193420222693 and 77193420222702.

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 31 ways as a sum of consecutive naturals, for example, 3958627185 + ... + 3958646684.

It is an arithmetic number, because the mean of its divisors is an integer number (3242123649765).

Almost surely, 2^{77193420222750} is an apocalyptic number.

77193420222750 is an abundant number, since it is smaller than the sum of its proper divisors (130302493362210).

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

77193420222750 is a wasteful number, since it uses less digits than its factorization.

77193420222750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917273902 (or 7917273892 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 77193420222750 in words is "seventy-seven trillion, one hundred ninety-three billion, four hundred twenty million, two hundred twenty-two thousand, seven hundred fifty".