73053777015873 has 12 divisors (see below), whose sum is σ = 105522196938340. Its totient is φ = 48702483588096.

The previous prime is 73053777015859. The next prime is 73053777015887. The reversal of 73053777015873 is 37851077735037.

73053777015873 is a `hidden beast` number, since 7 + 3 + 0 + 537 + 7 + 7 + 0 + 15 + 87 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (73053777015859) and next prime (73053777015887).

It can be written as a sum of positive squares in 2 ways, for example, as 28102223129409 + 44951553886464 = 5301153^2 + 6704592^2 .

It is not a de Polignac number, because 73053777015873 - 2⁵ = 73053777015841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73053777015873.

It is not an unprimeable number, because it can be changed into a prime (73053777065873) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 21211233 + ... + 24413601.

Almost surely, 2^{73053777015873} is an apocalyptic number.

It is an amenable number.

73053777015873 is a deficient number, since it is larger than the sum of its proper divisors (32468419922467).

73053777015873 is a wasteful number, since it uses less digits than its factorization.

73053777015873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737088 (or 5737085 counting only the distinct ones).

The product of its (nonzero) digits is 90757800, while the sum is 63.

The spelling of 73053777015873 in words is "seventy-three trillion, fifty-three billion, seven hundred seventy-seven million, fifteen thousand, eight hundred seventy-three".