957499994779 has 2 divisors, whose sum is σ = 957499994780. Its totient is φ = 957499994778.

The previous prime is 957499994741. The next prime is 957499994797. The reversal of 957499994779 is 977499994759.

Together with next prime (957499994797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 957499994779 - 2⁹ = 957499994267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 957499994779.

It is not a weakly prime, because it can be changed into another prime (957499994179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478749997389 + 478749997390.

It is an arithmetic number, because the mean of its divisors is an integer number (478749997390).

Almost surely, 2^957499994779 is an apocalyptic number.

957499994779 is a deficient number, since it is larger than the sum of its proper divisors (1).

957499994779 is an equidigital number, since it uses as much as digits as its factorization.

957499994779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14582741040, while the sum is 88.

The spelling of 957499994779 in words is "nine hundred fifty-seven billion, four hundred ninety-nine million, nine hundred ninety-four thousand, seven hundred seventy-nine".