970744477 has 4 divisors (see below), whose sum is σ = 970823260. Its totient is φ = 970665696.

The previous prime is 970744451. The next prime is 970744499. The reversal of 970744477 is 774447079.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 774447079 = 7 ⋅110635297.

It can be written as a sum of positive squares in 2 ways, for example, as 259242201 + 711502276 = 16101^2 + 26674^2 .

It is a cyclic number.

It is not a de Polignac number, because 970744477 - 2⁷ = 970744349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 970744477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970744777) 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 3 ways as a sum of consecutive naturals, for example, 16458 + ... + 47035.

It is an arithmetic number, because the mean of its divisors is an integer number (242705815).

Almost surely, 2^970744477 is an apocalyptic number.

It is an amenable number.

970744477 is a deficient number, since it is larger than the sum of its proper divisors (78783).

970744477 is a wasteful number, since it uses less digits than its factorization.

970744477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78782.

The product of its (nonzero) digits is 1382976, while the sum is 49.

The square root of 970744477 is about 31156.7725703417. The cubic root of 970744477 is about 990.1514841488.

The spelling of 970744477 in words is "nine hundred seventy million, seven hundred forty-four thousand, four hundred seventy-seven".