77045654504773 has 16 divisors (see below), whose sum is σ = 78346906223040. Its totient is φ = 75755470484736.

The previous prime is 77045654504657. The next prime is 77045654504803. The reversal of 77045654504773 is 37740545654077.

It is a cyclic number.

It is not a de Polignac number, because 77045654504773 - 2²¹ = 77045652407621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77045654604773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53019261 + ... + 54453037.

It is an arithmetic number, because the mean of its divisors is an integer number (4896681638940).

Almost surely, 2^{77045654504773} is an apocalyptic number.

It is an amenable number.

77045654504773 is a deficient number, since it is larger than the sum of its proper divisors (1301251718267).

77045654504773 is a wasteful number, since it uses less digits than its factorization.

77045654504773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437636.

The product of its (nonzero) digits is 345744000, while the sum is 64.

The spelling of 77045654504773 in words is "seventy-seven trillion, forty-five billion, six hundred fifty-four million, five hundred four thousand, seven hundred seventy-three".