77667332 has 12 divisors (see below), whose sum is σ = 136528896. Its totient is φ = 38659080.

The previous prime is 77667323. The next prime is 77667367. The reversal of 77667332 is 23376677.

It is a self number, because there is not a number n which added to its sum of digits gives 77667332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42644 + ... + 44427.

It is an arithmetic number, because the mean of its divisors is an integer number (11377408).

Almost surely, 2^77667332 is an apocalyptic number.

It is an amenable number.

77667332 is a deficient number, since it is larger than the sum of its proper divisors (58861564).

77667332 is a wasteful number, since it uses less digits than its factorization.

77667332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87298 (or 87296 counting only the distinct ones).

The product of its digits is 222264, while the sum is 41.

The square root of 77667332 is about 8812.9071253475. The cubic root of 77667332 is about 426.6575765750.

The spelling of 77667332 in words is "seventy-seven million, six hundred sixty-seven thousand, three hundred thirty-two".