77732346820867 has 8 divisors (see below), whose sum is σ = 78798433048160. Its totient is φ = 76666294635840.

The previous prime is 77732346820841. The next prime is 77732346820897. The reversal of 77732346820867 is 76802864323777.

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

It is a cyclic number.

It is not a de Polignac number, because 77732346820867 - 2³⁹ = 77182591006979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77732346820796 and 77732346820805.

It is not an unprimeable number, because it can be changed into a prime (77732346820897) 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, 3895392 + ... + 13062877.

It is an arithmetic number, because the mean of its divisors is an integer number (9849804131020).

Almost surely, 2^{77732346820867} is an apocalyptic number.

77732346820867 is a deficient number, since it is larger than the sum of its proper divisors (1066086227293).

77732346820867 is a wasteful number, since it uses less digits than its factorization.

77732346820867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17021133.

The product of its (nonzero) digits is 796594176, while the sum is 70.

The spelling of 77732346820867 in words is "seventy-seven trillion, seven hundred thirty-two billion, three hundred forty-six million, eight hundred twenty thousand, eight hundred sixty-seven".