77741660213228 has 24 divisors (see below), whose sum is σ = 156227259760320. Its totient is φ = 33477269947920.

The previous prime is 77741660213153. The next prime is 77741660213249. The reversal of 77741660213228 is 82231206614777.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46496207426 + ... + 46496209097.

It is an arithmetic number, because the mean of its divisors is an integer number (6509469156680).

Almost surely, 2^{77741660213228} is an apocalyptic number.

It is an amenable number.

77741660213228 is an abundant number, since it is smaller than the sum of its proper divisors (78485599547092).

77741660213228 is a wasteful number, since it uses less digits than its factorization.

77741660213228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92992416557 (or 92992416555 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 77741660213228 in words is "seventy-seven trillion, seven hundred forty-one billion, six hundred sixty million, two hundred thirteen thousand, two hundred twenty-eight".