77328851 has 8 divisors (see below), whose sum is σ = 78278640. Its totient is φ = 76383648.

The previous prime is 77328847. The next prime is 77328857. The reversal of 77328851 is 15882377.

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 77328851 - 2² = 77328847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77328799 and 77328808.

It is not an unprimeable number, because it can be changed into a prime (77328857) 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, 42380 + ... + 44166.

It is an arithmetic number, because the mean of its divisors is an integer number (9784830).

Almost surely, 2^77328851 is an apocalyptic number.

77328851 is a deficient number, since it is larger than the sum of its proper divisors (949789).

77328851 is a wasteful number, since it uses less digits than its factorization.

77328851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293.

The product of its digits is 94080, while the sum is 41.

The square root of 77328851 is about 8793.6824482125. The cubic root of 77328851 is about 426.0368703715.

The spelling of 77328851 in words is "seventy-seven million, three hundred twenty-eight thousand, eight hundred fifty-one".