78676990773 has 8 divisors (see below), whose sum is σ = 104962503168. Its totient is φ = 52421402784.

The previous prime is 78676990699. The next prime is 78676990783. The reversal of 78676990773 is 37709967687.

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

It is not a de Polignac number, because 78676990773 - 2¹² = 78676986677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78676990698 and 78676990707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78676990783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7474965 + ... + 7485482.

It is an arithmetic number, because the mean of its divisors is an integer number (13120312896).

Almost surely, 2^78676990773 is an apocalyptic number.

It is an amenable number.

78676990773 is a deficient number, since it is larger than the sum of its proper divisors (26285512395).

78676990773 is a wasteful number, since it uses less digits than its factorization.

78676990773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14962203.

The product of its (nonzero) digits is 168031584, while the sum is 69.

The spelling of 78676990773 in words is "seventy-eight billion, six hundred seventy-six million, nine hundred ninety thousand, seven hundred seventy-three".