970878969 has 6 divisors (see below), whose sum is σ = 1402380746. Its totient is φ = 647252640.

The previous prime is 970878949. The next prime is 970878991. The reversal of 970878969 is 969878079.

It can be written as a sum of positive squares in only one way, i.e., 955551744 + 15327225 = 30912^2 + 3915^2 .

It is not a de Polignac number, because 970878969 - 2⁷ = 970878841 is a prime.

It is a super-2 number, since 2×970878969² = 1885211944893005922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (970878949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53937712 + ... + 53937729.

Almost surely, 2^970878969 is an apocalyptic number.

It is an amenable number.

970878969 is a deficient number, since it is larger than the sum of its proper divisors (431501777).

970878969 is a wasteful number, since it uses less digits than its factorization.

970878969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107875447 (or 107875444 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The square root of 970878969 is about 31158.9308064317. The cubic root of 970878969 is about 990.1972089532.

The spelling of 970878969 in words is "nine hundred seventy million, eight hundred seventy-eight thousand, nine hundred sixty-nine".