8970781634 has 8 divisors (see below), whose sum is σ = 13676765628. Its totient is φ = 4411859760.

The previous prime is 8970781607. The next prime is 8970781639. The reversal of 8970781634 is 4361870798.

It can be written as a sum of positive squares in 2 ways, for example, as 7683048409 + 1287733225 = 87653^2 + 35885^2 .

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

It is not an unprimeable number, because it can be changed into a prime (8970781639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36765377 + ... + 36765620.

Almost surely, 2^8970781634 is an apocalyptic number.

8970781634 is a deficient number, since it is larger than the sum of its proper divisors (4705983994).

8970781634 is a wasteful number, since it uses less digits than its factorization.

8970781634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73531060.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 8970781634 is about 94714.2103065849. The cubic root of 8970781634 is about 2077.8303956631.

The spelling of 8970781634 in words is "eight billion, nine hundred seventy million, seven hundred eighty-one thousand, six hundred thirty-four".