78672776093 has 8 divisors (see below), whose sum is σ = 79014950880. Its totient is φ = 78331231440.

The previous prime is 78672776081. The next prime is 78672776173. The reversal of 78672776093 is 39067727687.

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 78672776093 - 2⁸ = 78672775837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78672776003) 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, 93578 + ... + 407556.

It is an arithmetic number, because the mean of its divisors is an integer number (9876868860).

Almost surely, 2^78672776093 is an apocalyptic number.

It is an amenable number.

78672776093 is a deficient number, since it is larger than the sum of its proper divisors (342174787).

78672776093 is a wasteful number, since it uses less digits than its factorization.

78672776093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315067.

The product of its (nonzero) digits is 37340352, while the sum is 62.

The spelling of 78672776093 in words is "seventy-eight billion, six hundred seventy-two million, seven hundred seventy-six thousand, ninety-three".