770890 has 16 divisors (see below), whose sum is σ = 1400832. Its totient is φ = 305424.

The previous prime is 770881. The next prime is 770897. The reversal of 770890 is 98077.

770890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (770897) 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, 967 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (87552).

2⁷⁷⁰⁸⁹⁰ is an apocalyptic number.

770890 is a deficient number, since it is larger than the sum of its proper divisors (629942).

770890 is a wasteful number, since it uses less digits than its factorization.

770890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 770890 is about 878.0034168498. The cubic root of 770890 is about 91.6918645145.

The spelling of 770890 in words is "seven hundred seventy thousand, eight hundred ninety".