77730032646213 has 8 divisors (see below), whose sum is σ = 104177038573248. Its totient is φ = 51551524241664.

The previous prime is 77730032646169. The next prime is 77730032646221. The reversal of 77730032646213 is 31264623003777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77730032646213 - 2⁸ = 77730032645957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77730032646913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67124379945 + ... + 67124381102.

It is an arithmetic number, because the mean of its divisors is an integer number (13022129821656).

Almost surely, 2^{77730032646213} is an apocalyptic number.

It is an amenable number.

77730032646213 is a deficient number, since it is larger than the sum of its proper divisors (26447005927035).

77730032646213 is a wasteful number, since it uses less digits than its factorization.

77730032646213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134248761243.

The product of its (nonzero) digits is 5334336, while the sum is 51.

The spelling of 77730032646213 in words is "seventy-seven trillion, seven hundred thirty billion, thirty-two million, six hundred forty-six thousand, two hundred thirteen".