970957978427 has 2 divisors, whose sum is σ = 970957978428. Its totient is φ = 970957978426.

The previous prime is 970957978387. The next prime is 970957978453. The reversal of 970957978427 is 724879759079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 970957978427 - 2³² = 966663011131 is a prime.

It is not a weakly prime, because it can be changed into another prime (970950978427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485478989213 + 485478989214.

It is an arithmetic number, because the mean of its divisors is an integer number (485478989214).

Almost surely, 2^970957978427 is an apocalyptic number.

970957978427 is a deficient number, since it is larger than the sum of its proper divisors (1).

970957978427 is an equidigital number, since it uses as much as digits as its factorization.

970957978427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560105280, while the sum is 74.

The spelling of 970957978427 in words is "nine hundred seventy billion, nine hundred fifty-seven million, nine hundred seventy-eight thousand, four hundred twenty-seven".