77763877823074 has 4 divisors (see below), whose sum is σ = 116645816734614. Its totient is φ = 38881938911536.

The previous prime is 77763877823059. The next prime is 77763877823131. The reversal of 77763877823074 is 47032877836777.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76110357015625 + 1653520807449 = 8724125^2 + 1285893^2 .

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19440969455767 + ... + 19440969455770.

Almost surely, 2^{77763877823074} is an apocalyptic number.

77763877823074 is a deficient number, since it is larger than the sum of its proper divisors (38881938911540).

77763877823074 is a wasteful number, since it uses less digits than its factorization.

77763877823074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38881938911539.

The product of its (nonzero) digits is 3252759552, while the sum is 76.

The spelling of 77763877823074 in words is "seventy-seven trillion, seven hundred sixty-three billion, eight hundred seventy-seven million, eight hundred twenty-three thousand, seventy-four".