77443036 has 12 divisors (see below), whose sum is σ = 147845880. Its totient is φ = 35201360.

The previous prime is 77443033. The next prime is 77443049. The reversal of 77443036 is 63034477.

It is a junction number, because it is equal to n+sod(n) for n = 77442992 and 77443010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77443033) 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, 879991 + ... + 880078.

It is an arithmetic number, because the mean of its divisors is an integer number (12320490).

Almost surely, 2^77443036 is an apocalyptic number.

It is an amenable number.

77443036 is a deficient number, since it is larger than the sum of its proper divisors (70402844).

77443036 is a wasteful number, since it uses less digits than its factorization.

77443036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760084 (or 1760082 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 77443036 is about 8800.1724983093. The cubic root of 77443036 is about 426.2464648274.

The spelling of 77443036 in words is "seventy-seven million, four hundred forty-three thousand, thirty-six".