77936328 has 96 divisors (see below), whose sum is σ = 231940800. Its totient is φ = 23531904.

The previous prime is 77936317. The next prime is 77936363. The reversal of 77936328 is 82363977.

It is a happy number.

77936328 is a `hidden beast` number, since 7 + 7 + 9 + 3 + 632 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30226 + ... + 32702.

It is an arithmetic number, because the mean of its divisors is an integer number (2416050).

Almost surely, 2^77936328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77936328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115970400).

77936328 is an abundant number, since it is smaller than the sum of its proper divisors (154004472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77936328 is a wasteful number, since it uses less digits than its factorization.

77936328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531 (or 2524 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 77936328 is about 8828.1554132219. The cubic root of 77936328 is about 427.1495763825.

The spelling of 77936328 in words is "seventy-seven million, nine hundred thirty-six thousand, three hundred twenty-eight".