77732117646360 has 32 divisors (see below), whose sum is σ = 233196352939440. Its totient is φ = 20728564705664.

The previous prime is 77732117646277. The next prime is 77732117646361. The reversal of 77732117646360 is 6364671123777.

77732117646360 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×77732117646360² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 77732117646294 and 77732117646303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77732117646361) 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 7 ways as a sum of consecutive naturals, for example, 323883823407 + ... + 323883823646.

Almost surely, 2^{77732117646360} is an apocalyptic number.

It is an amenable number.

77732117646360 is an abundant number, since it is smaller than the sum of its proper divisors (155464235293080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77732117646360 is a wasteful number, since it uses less digits than its factorization.

77732117646360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647767647067 (or 647767647063 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 60.

The spelling of 77732117646360 in words is "seventy-seven trillion, seven hundred thirty-two billion, one hundred seventeen million, six hundred forty-six thousand, three hundred sixty".