77773344373112 has 32 divisors (see below), whose sum is σ = 146400744323520. Its totient is φ = 38733163069440.

The previous prime is 77773344373069. The next prime is 77773344373157. The reversal of 77773344373112 is 21137344337777.

It is a happy number.

It is a congruent number.

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, 35451713 + ... + 37581519.

It is an arithmetic number, because the mean of its divisors is an integer number (4575023260110).

Almost surely, 2^{77773344373112} is an apocalyptic number.

It is an amenable number.

77773344373112 is a deficient number, since it is larger than the sum of its proper divisors (68627399950408).

77773344373112 is a wasteful number, since it uses less digits than its factorization.

77773344373112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147831 (or 2147827 counting only the distinct ones).

The product of its digits is 43563744, while the sum is 59.

The spelling of 77773344373112 in words is "seventy-seven trillion, seven hundred seventy-three billion, three hundred forty-four million, three hundred seventy-three thousand, one hundred twelve".