7457998337 has 2 divisors, whose sum is σ = 7457998338. Its totient is φ = 7457998336.

The previous prime is 7457998307. The next prime is 7457998343. The reversal of 7457998337 is 7338997547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6868431376 + 589566961 = 82876^2 + 24281^2 .

It is a cyclic number.

It is not a de Polignac number, because 7457998337 - 2³⁰ = 6384256513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7457998337.

It is not a weakly prime, because it can be changed into another prime (7457998307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3728999168 + 3728999169.

It is an arithmetic number, because the mean of its divisors is an integer number (3728999169).

Almost surely, 2^7457998337 is an apocalyptic number.

It is an amenable number.

7457998337 is a deficient number, since it is larger than the sum of its proper divisors (1).

7457998337 is an equidigital number, since it uses as much as digits as its factorization.

7457998337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40007520, while the sum is 62.

The square root of 7457998337 is about 86359.7032012037. The cubic root of 7457998337 is about 1953.7729570321.

The spelling of 7457998337 in words is "seven billion, four hundred fifty-seven million, nine hundred ninety-eight thousand, three hundred thirty-seven".