77493160866793 has 8 divisors (see below), whose sum is σ = 88563675991680. Its totient is φ = 66422661635040.

The previous prime is 77493160866773. The next prime is 77493160866799. The reversal of 77493160866793 is 39766806139477.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77493160866793 is a prime.

It is a super-2 number, since 2×77493160866793² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77493160866799) 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, 9538188 + ... + 15683218.

It is an arithmetic number, because the mean of its divisors is an integer number (11070459498960).

Almost surely, 2^{77493160866793} is an apocalyptic number.

It is an amenable number.

77493160866793 is a deficient number, since it is larger than the sum of its proper divisors (11070515124887).

77493160866793 is a wasteful number, since it uses less digits than its factorization.

77493160866793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946567.

The product of its (nonzero) digits is 1728324864, while the sum is 76.

The spelling of 77493160866793 in words is "seventy-seven trillion, four hundred ninety-three billion, one hundred sixty million, eight hundred sixty-six thousand, seven hundred ninety-three".