772885 has 8 divisors (see below), whose sum is σ = 932256. Its totient is φ = 615120.

The previous prime is 772867. The next prime is 772903. The reversal of 772885 is 588277.

It is an interprime number because it is at equal distance from previous prime (772867) and next prime (772903).

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

It is not a de Polignac number, because 772885 - 2⁵ = 772853 is a prime.

It is a d-powerful number, because it can be written as 7⁴ + 7⁶ + 8² + 2 + 8⁶ + 5⁸ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422 + ... + 1888.

It is an arithmetic number, because the mean of its divisors is an integer number (116532).

2⁷⁷²⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

772885 is a deficient number, since it is larger than the sum of its proper divisors (159371).

772885 is a wasteful number, since it uses less digits than its factorization.

772885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its digits is 31360, while the sum is 37.

The square root of 772885 is about 879.1387831281. The cubic root of 772885 is about 91.7708933849.

The spelling of 772885 in words is "seven hundred seventy-two thousand, eight hundred eighty-five".