970777769 has 8 divisors (see below), whose sum is σ = 1073709000. Its totient is φ = 871883136.

The previous prime is 970777739. The next prime is 970777771. The reversal of 970777769 is 967777079.

It can be written as a sum of positive squares in 4 ways, for example, as 487305625 + 483472144 = 22075^2 + 21988^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 970777769 - 2²⁰ = 969729193 is a prime.

It is a super-2 number, since 2×970777769² = 1884818953569234722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (970777739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008644 + ... + 1009605.

It is an arithmetic number, because the mean of its divisors is an integer number (134213625).

Almost surely, 2^970777769 is an apocalyptic number.

It is an amenable number.

970777769 is a deficient number, since it is larger than the sum of its proper divisors (102931231).

970777769 is a wasteful number, since it uses less digits than its factorization.

970777769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018299.

The product of its (nonzero) digits is 8168202, while the sum is 59.

The square root of 970777769 is about 31157.3068316246. The cubic root of 970777769 is about 990.1628032093.

The spelling of 970777769 in words is "nine hundred seventy million, seven hundred seventy-seven thousand, seven hundred sixty-nine".