772985 has 8 divisors (see below), whose sum is σ = 957696. Its totient is φ = 598320.

The previous prime is 772963. The next prime is 772987. The reversal of 772985 is 589277.

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

It is not a de Polignac number, because 772985 - 2⁶ = 772921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2339 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (119712).

2⁷⁷²⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

772985 is a deficient number, since it is larger than the sum of its proper divisors (184711).

772985 is a wasteful number, since it uses less digits than its factorization.

772985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023.

The product of its digits is 35280, while the sum is 38.

The square root of 772985 is about 879.1956551303. The cubic root of 772985 is about 91.7748511508.

The spelling of 772985 in words is "seven hundred seventy-two thousand, nine hundred eighty-five".