770887 has 8 divisors (see below), whose sum is σ = 874160. Its totient is φ = 673920.

The previous prime is 770881. The next prime is 770897. The reversal of 770887 is 788077.

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

It is not a de Polignac number, because 770887 - 2¹⁹ = 246599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770881) by changing a digit.

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, 1314 + ... + 1807.

It is an arithmetic number, because the mean of its divisors is an integer number (109270).

2⁷⁷⁰⁸⁸⁷ is an apocalyptic number.

770887 is a deficient number, since it is larger than the sum of its proper divisors (103273).

770887 is a wasteful number, since it uses less digits than its factorization.

770887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153.

The product of its (nonzero) digits is 21952, while the sum is 37.

The square root of 770887 is about 878.0017084266. The cubic root of 770887 is about 91.6917455715.

The spelling of 770887 in words is "seven hundred seventy thousand, eight hundred eighty-seven".