77803045246356 has 24 divisors (see below), whose sum is σ = 181567007289024. Its totient is φ = 25930552932480.

The previous prime is 77803045246349. The next prime is 77803045246361. The reversal of 77803045246356 is 65364254030877.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 77803045246356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474349960 + ... + 474513951.

It is an arithmetic number, because the mean of its divisors is an integer number (7565291970376).

Almost surely, 2^{77803045246356} is an apocalyptic number.

It is an amenable number.

77803045246356 is an abundant number, since it is smaller than the sum of its proper divisors (103763962042668).

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

77803045246356 is a wasteful number, since it uses less digits than its factorization.

77803045246356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948870751 (or 948870749 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 60.

The spelling of 77803045246356 in words is "seventy-seven trillion, eight hundred three billion, forty-five million, two hundred forty-six thousand, three hundred fifty-six".