77754730350 has 192 divisors, whose sum is σ = 221533678080. Its totient is φ = 17863718400.

The previous prime is 77754730343. The next prime is 77754730369. The reversal of 77754730350 is 5303745777.

It is a happy number.

It is a super-2 number, since 2×77754730350² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77754730350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4127152 + ... + 4145948.

It is an arithmetic number, because the mean of its divisors is an integer number (1153821240).

Almost surely, 2^77754730350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77754730350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110766839040).

77754730350 is an abundant number, since it is smaller than the sum of its proper divisors (143778947730).

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

77754730350 is a wasteful number, since it uses less digits than its factorization.

77754730350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18955 (or 18950 counting only the distinct ones).

The product of its (nonzero) digits is 2160900, while the sum is 48.

The spelling of 77754730350 in words is "seventy-seven billion, seven hundred fifty-four million, seven hundred thirty thousand, three hundred fifty".