73777412313563 has 32 divisors (see below), whose sum is σ = 86320777200000. Its totient is φ = 63029946026880.

The previous prime is 73777412313557. The next prime is 73777412313589. The reversal of 73777412313563 is 36531321477737.

It is not a de Polignac number, because 73777412313563 - 2⁸ = 73777412313307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73777412313463) 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, 285851033 + ... + 286109013.

It is an arithmetic number, because the mean of its divisors is an integer number (2697524287500).

Almost surely, 2^{73777412313563} is an apocalyptic number.

73777412313563 is a deficient number, since it is larger than the sum of its proper divisors (12543364886437).

73777412313563 is a wasteful number, since it uses less digits than its factorization.

73777412313563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260740 (or 260726 counting only the distinct ones).

The product of its digits is 46675440, while the sum is 59.

The spelling of 73777412313563 in words is "seventy-three trillion, seven hundred seventy-seven billion, four hundred twelve million, three hundred thirteen thousand, five hundred sixty-three".