77210737439109 has 16 divisors (see below), whose sum is σ = 109324937976000. Its totient is φ = 48333130465536.

The previous prime is 77210737439093. The next prime is 77210737439141. The reversal of 77210737439109 is 90193473701277.

It is not a de Polignac number, because 77210737439109 - 2⁴ = 77210737439093 is a prime.

It is a super-2 number, since 2×77210737439109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77210737439149) 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, 5993685334 + ... + 5993698215.

It is an arithmetic number, because the mean of its divisors is an integer number (6832808623500).

Almost surely, 2^{77210737439109} is an apocalyptic number.

It is an amenable number.

77210737439109 is a deficient number, since it is larger than the sum of its proper divisors (32114200536891).

77210737439109 is a wasteful number, since it uses less digits than its factorization.

77210737439109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987383684.

The product of its (nonzero) digits is 14002632, while the sum is 60.

The spelling of 77210737439109 in words is "seventy-seven trillion, two hundred ten billion, seven hundred thirty-seven million, four hundred thirty-nine thousand, one hundred nine".