957978353 has 2 divisors, whose sum is σ = 957978354. Its totient is φ = 957978352.

The previous prime is 957978349. The next prime is 957978389. The reversal of 957978353 is 353879759.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 765518224 + 192460129 = 27668^2 + 13873^2 .

It is an emirp because it is prime and its reverse (353879759) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 957978353 - 2² = 957978349 is a prime.

It is not a weakly prime, because it can be changed into another prime (957978323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478989176 + 478989177.

It is an arithmetic number, because the mean of its divisors is an integer number (478989177).

Almost surely, 2^957978353 is an apocalyptic number.

It is an amenable number.

957978353 is a deficient number, since it is larger than the sum of its proper divisors (1).

957978353 is an equidigital number, since it uses as much as digits as its factorization.

957978353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7144200, while the sum is 56.

The square root of 957978353 is about 30951.2253876967. The cubic root of 957978353 is about 985.7918694287.

The spelling of 957978353 in words is "nine hundred fifty-seven million, nine hundred seventy-eight thousand, three hundred fifty-three".