77340433772 has 12 divisors (see below), whose sum is σ = 154680867600. Its totient is φ = 33145900176.

The previous prime is 77340433771. The next prime is 77340433789. The reversal of 77340433772 is 27733404377.

77340433772 is an admirable number.

It is a super-2 number, since 2×77340433772² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1381079147 + ... + 1381079202.

It is an arithmetic number, because the mean of its divisors is an integer number (12890072300).

Almost surely, 2^77340433772 is an apocalyptic number.

It is an amenable number.

77340433772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77340433772 is a wasteful number, since it uses less digits than its factorization.

77340433772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762158360 (or 2762158358 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 47.

The spelling of 77340433772 in words is "seventy-seven billion, three hundred forty million, four hundred thirty-three thousand, seven hundred seventy-two".