970781067 has 12 divisors (see below), whose sum is σ = 1436440824. Its totient is φ = 631402080.

The previous prime is 970781057. The next prime is 970781087. The reversal of 970781067 is 760187079.

It is a happy number.

It is not a de Polignac number, because 970781067 - 2⁴ = 970781051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (970781057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1315053 + ... + 1315790.

It is an arithmetic number, because the mean of its divisors is an integer number (119703402).

Almost surely, 2^970781067 is an apocalyptic number.

970781067 is a deficient number, since it is larger than the sum of its proper divisors (465659757).

970781067 is a wasteful number, since it uses less digits than its factorization.

970781067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630890 (or 2630887 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The square root of 970781067 is about 31157.3597565647. The cubic root of 970781067 is about 990.1639244934.

The spelling of 970781067 in words is "nine hundred seventy million, seven hundred eighty-one thousand, sixty-seven".