613778707089 has 64 divisors (see below), whose sum is σ = 963454464000. Its totient is φ = 385406055936.

The previous prime is 613778707081. The next prime is 613778707097. The reversal of 613778707089 is 980707877316.

613778707089 is a `hidden beast` number, since 613 + 7 + 7 + 8 + 7 + 0 + 7 + 0 + 8 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (613778707081) and next prime (613778707097).

It is not a de Polignac number, because 613778707089 - 2³ = 613778707081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613778707081) 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 63 ways as a sum of consecutive naturals, for example, 11961562 + ... + 12012764.

It is an arithmetic number, because the mean of its divisors is an integer number (15053976000).

Almost surely, 2^613778707089 is an apocalyptic number.

613778707089 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

613778707089 is a deficient number, since it is larger than the sum of its proper divisors (349675756911).

613778707089 is a wasteful number, since it uses less digits than its factorization.

613778707089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51531 (or 51525 counting only the distinct ones).

The product of its (nonzero) digits is 24893568, while the sum is 63.

The spelling of 613778707089 in words is "six hundred thirteen billion, seven hundred seventy-eight million, seven hundred seven thousand, eighty-nine".