1000000747957 has 2 divisors, whose sum is σ = 1000000747958. Its totient is φ = 1000000747956.

The previous prime is 1000000747943. The next prime is 1000000747997. The reversal of 1000000747957 is 7597470000001.

It is an a-pointer prime, because the next prime (1000000747997) can be obtained adding 1000000747957 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 671819565316 + 328181182641 = 819646^2 + 572871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000000747957 - 2¹⁹ = 1000000223669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000000747997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000373978 + 500000373979.

It is an arithmetic number, because the mean of its divisors is an integer number (500000373979).

Almost surely, 2^{1000000747957} is an apocalyptic number.

It is an amenable number.

1000000747957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000000747957 is an equidigital number, since it uses as much as digits as its factorization.

1000000747957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 40.

Adding to 1000000747957 its reverse (7597470000001), we get a palindrome (8597470747958).

The spelling of 1000000747957 in words is "one trillion, seven hundred forty-seven thousand, nine hundred fifty-seven".