770083989 has 32 divisors (see below), whose sum is σ = 1083801600. Its totient is φ = 485724480.

The previous prime is 770083961. The next prime is 770084027. The reversal of 770083989 is 989380077.

It is a happy number.

It is not a de Polignac number, because 770083989 - 2⁹ = 770083477 is a prime.

It is a super-2 number, since 2×770083989² = 1186058700228304242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770083189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1607452 + ... + 1607930.

It is an arithmetic number, because the mean of its divisors is an integer number (33868800).

Almost surely, 2^770083989 is an apocalyptic number.

It is an amenable number.

770083989 is a deficient number, since it is larger than the sum of its proper divisors (313717611).

770083989 is a wasteful number, since it uses less digits than its factorization.

770083989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 770083989 is about 27750.3871864880. The cubic root of 770083989 is about 916.5989695167.

The spelling of 770083989 in words is "seven hundred seventy million, eighty-three thousand, nine hundred eighty-nine".