970428117157 has 2 divisors, whose sum is σ = 970428117158. Its totient is φ = 970428117156.

The previous prime is 970428117107. The next prime is 970428117227. The reversal of 970428117157 is 751711824079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 835238799396 + 135189317761 = 913914^2 + 367681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-970428117157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970428117107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485214058578 + 485214058579.

It is an arithmetic number, because the mean of its divisors is an integer number (485214058579).

Almost surely, 2^970428117157 is an apocalyptic number.

It is an amenable number.

970428117157 is a deficient number, since it is larger than the sum of its proper divisors (1).

970428117157 is an equidigital number, since it uses as much as digits as its factorization.

970428117157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 52.

The spelling of 970428117157 in words is "nine hundred seventy billion, four hundred twenty-eight million, one hundred seventeen thousand, one hundred fifty-seven".