970778140 has 12 divisors (see below), whose sum is σ = 2038634136. Its totient is φ = 388311248.

The previous prime is 970778131. The next prime is 970778143. The reversal of 970778140 is 41877079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970778143) 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, 24269434 + ... + 24269473.

It is an arithmetic number, because the mean of its divisors is an integer number (169886178).

Almost surely, 2^970778140 is an apocalyptic number.

It is an amenable number.

970778140 is an abundant number, since it is smaller than the sum of its proper divisors (1067855996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

970778140 is a wasteful number, since it uses less digits than its factorization.

970778140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48538916 (or 48538914 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 970778140 is about 31157.3127852837. The cubic root of 970778140 is about 990.1629293454.

The spelling of 970778140 in words is "nine hundred seventy million, seven hundred seventy-eight thousand, one hundred forty".