77790633 has 8 divisors (see below), whose sum is σ = 104011200. Its totient is φ = 51715248.

The previous prime is 77790631. The next prime is 77790641. The reversal of 77790633 is 33609777.

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

It is not a de Polignac number, because 77790633 - 2¹ = 77790631 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (77790631) 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, 35038 + ... + 37191.

It is an arithmetic number, because the mean of its divisors is an integer number (13001400).

Almost surely, 2^77790633 is an apocalyptic number.

It is an amenable number.

77790633 is a deficient number, since it is larger than the sum of its proper divisors (26220567).

77790633 is a wasteful number, since it uses less digits than its factorization.

77790633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72591.

The product of its (nonzero) digits is 166698, while the sum is 42.

The square root of 77790633 is about 8819.8998293631. The cubic root of 77790633 is about 426.8832376952.

The spelling of 77790633 in words is "seventy-seven million, seven hundred ninety thousand, six hundred thirty-three".