612716591877 has 16 divisors (see below), whose sum is σ = 880347803328. Its totient is φ = 376820812800.

The previous prime is 612716591867. The next prime is 612716591897. The reversal of 612716591877 is 778195617216.

It is not a de Polignac number, because 612716591877 - 2¹⁵ = 612716559109 is a prime.

It is a super-2 number, since 2×612716591877² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612716591877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612716591867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4844083 + ... + 4968960.

It is an arithmetic number, because the mean of its divisors is an integer number (55021737708).

Almost surely, 2^612716591877 is an apocalyptic number.

It is an amenable number.

612716591877 is a deficient number, since it is larger than the sum of its proper divisors (267631211451).

612716591877 is a wasteful number, since it uses less digits than its factorization.

612716591877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9814660.

The product of its digits is 8890560, while the sum is 60.

The spelling of 612716591877 in words is "six hundred twelve billion, seven hundred sixteen million, five hundred ninety-one thousand, eight hundred seventy-seven".