77340433770 has 64 divisors (see below), whose sum is σ = 208787402880. Its totient is φ = 20624109840.

The previous prime is 77340433747. The next prime is 77340433771. The reversal of 77340433770 is 7733404377.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77340433771) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1746316 + ... + 1790055.

It is an arithmetic number, because the mean of its divisors is an integer number (3262303170).

Almost surely, 2^77340433770 is an apocalyptic number.

77340433770 is an abundant number, since it is smaller than the sum of its proper divisors (131446969110).

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

77340433770 is an equidigital number, since it uses as much as digits as its factorization.

77340433770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536399 (or 3536381 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 45.

The spelling of 77340433770 in words is "seventy-seven billion, three hundred forty million, four hundred thirty-three thousand, seven hundred seventy".