77328793 has 8 divisors (see below), whose sum is σ = 78242112. Its totient is φ = 76419216.

The previous prime is 77328791. The next prime is 77328821. The reversal of 77328793 is 39782377.

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 77328793 - 2¹ = 77328791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77328791) 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, 68671 + ... + 69787.

It is an arithmetic number, because the mean of its divisors is an integer number (9780264).

Almost surely, 2^77328793 is an apocalyptic number.

It is an amenable number.

77328793 is a deficient number, since it is larger than the sum of its proper divisors (913319).

77328793 is a wasteful number, since it uses less digits than its factorization.

77328793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871.

The product of its digits is 444528, while the sum is 46.

The square root of 77328793 is about 8793.6791503898. The cubic root of 77328793 is about 426.0367638561.

The spelling of 77328793 in words is "seventy-seven million, three hundred twenty-eight thousand, seven hundred ninety-three".