77906504303643 has 32 divisors (see below), whose sum is σ = 107745497251840. Its totient is φ = 50018981029920.

The previous prime is 77906504303629. The next prime is 77906504303651. The reversal of 77906504303643 is 34630340560977.

It is not a de Polignac number, because 77906504303643 - 2¹⁶ = 77906504238107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77906504303843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57461328 + ... + 58801506.

It is an arithmetic number, because the mean of its divisors is an integer number (3367046789120).

Almost surely, 2^{77906504303643} is an apocalyptic number.

77906504303643 is a deficient number, since it is larger than the sum of its proper divisors (29838992948197).

77906504303643 is a wasteful number, since it uses less digits than its factorization.

77906504303643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343239.

The product of its (nonzero) digits is 34292160, while the sum is 57.

The spelling of 77906504303643 in words is "seventy-seven trillion, nine hundred six billion, five hundred four million, three hundred three thousand, six hundred forty-three".