77964336 has 40 divisors (see below), whose sum is σ = 223787760. Its totient is φ = 25987968.

The previous prime is 77964331. The next prime is 77964361. The reversal of 77964336 is 63346977.

It is a junction number, because it is equal to n+sod(n) for n = 77964291 and 77964300.

It is not an unprimeable number, because it can be changed into a prime (77964331) 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, 89805 + ... + 90668.

It is an arithmetic number, because the mean of its divisors is an integer number (5594694).

Almost surely, 2^77964336 is an apocalyptic number.

It is an amenable number.

77964336 is an abundant number, since it is smaller than the sum of its proper divisors (145823424).

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

77964336 is a wasteful number, since it uses less digits than its factorization.

77964336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180490 (or 180478 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 77964336 is about 8829.7415590718. The cubic root of 77964336 is about 427.2007385418.

The spelling of 77964336 in words is "seventy-seven million, nine hundred sixty-four thousand, three hundred thirty-six".