77419038961012 has 12 divisors (see below), whose sum is σ = 154838077922080. Its totient is φ = 33179588126136.

The previous prime is 77419038961007. The next prime is 77419038961081. The reversal of 77419038961012 is 21016983091477.

It is a happy number.

77419038961012 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382482838562 + ... + 1382482838617.

Almost surely, 2^{77419038961012} is an apocalyptic number.

It is an amenable number.

77419038961012 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.

77419038961012 is a wasteful number, since it uses less digits than its factorization.

77419038961012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764965677190 (or 2764965677188 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 77419038961012 in words is "seventy-seven trillion, four hundred nineteen billion, thirty-eight million, nine hundred sixty-one thousand, twelve".