77334287950 has 24 divisors (see below), whose sum is σ = 148481835840. Its totient is φ = 29935852800.

The previous prime is 77334287867. The next prime is 77334287957. The reversal of 77334287950 is 5978243377.

It is a junction number, because it is equal to n+sod(n) for n = 77334287891 and 77334287900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77334287957) 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 11 ways as a sum of consecutive naturals, for example, 24944995 + ... + 24948094.

It is an arithmetic number, because the mean of its divisors is an integer number (6186743160).

Almost surely, 2^77334287950 is an apocalyptic number.

77334287950 is a deficient number, since it is larger than the sum of its proper divisors (71147547890).

77334287950 is a wasteful number, since it uses less digits than its factorization.

77334287950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49893132 (or 49893127 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 55.

The spelling of 77334287950 in words is "seventy-seven billion, three hundred thirty-four million, two hundred eighty-seven thousand, nine hundred fifty".