77483801850 has 192 divisors, whose sum is σ = 246788204544. Its totient is φ = 15637374720.

The previous prime is 77483801833. The next prime is 77483801861. The reversal of 77483801850 is 5810838477.

It is a junction number, because it is equal to n+sod(n) for n = 77483801793 and 77483801802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 190549 + ... + 437351.

It is an arithmetic number, because the mean of its divisors is an integer number (1285355232).

Almost surely, 2^77483801850 is an apocalyptic number.

77483801850 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 77483801850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123394102272).

77483801850 is an abundant number, since it is smaller than the sum of its proper divisors (169304402694).

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

77483801850 is a wasteful number, since it uses less digits than its factorization.

77483801850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246861 (or 246856 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 77483801850 in words is "seventy-seven billion, four hundred eighty-three million, eight hundred one thousand, eight hundred fifty".