77783006 has 8 divisors (see below), whose sum is σ = 133342320. Its totient is φ = 33335568.

The previous prime is 77782993. The next prime is 77783009. The reversal of 77783006 is 60038777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77783009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777951 + ... + 2777978.

It is an arithmetic number, because the mean of its divisors is an integer number (16667790).

Almost surely, 2^77783006 is an apocalyptic number.

77783006 is a deficient number, since it is larger than the sum of its proper divisors (55559314).

77783006 is a wasteful number, since it uses less digits than its factorization.

77783006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555938.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 77783006 is about 8819.4674442395. The cubic root of 77783006 is about 426.8692859517.

The spelling of 77783006 in words is "seventy-seven million, seven hundred eighty-three thousand, six".