770275770 has 128 divisors (see below), whose sum is σ = 2172994560. Its totient is φ = 172730880.

The previous prime is 770275747. The next prime is 770275777. The reversal of 770275770 is 77572077.

It is not an unprimeable number, because it can be changed into a prime (770275777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 268182 + ... + 271038.

It is an arithmetic number, because the mean of its divisors is an integer number (16976520).

Almost surely, 2^770275770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770275770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086497280).

770275770 is an abundant number, since it is smaller than the sum of its proper divisors (1402718790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770275770 is a wasteful number, since it uses less digits than its factorization.

770275770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940.

The product of its (nonzero) digits is 168070, while the sum is 42.

The square root of 770275770 is about 27753.8424366789. The cubic root of 770275770 is about 916.6750528526.

The spelling of 770275770 in words is "seven hundred seventy million, two hundred seventy-five thousand, seven hundred seventy".