7928200537 has 2 divisors, whose sum is σ = 7928200538. Its totient is φ = 7928200536.

The previous prime is 7928200519. The next prime is 7928200573. The reversal of 7928200537 is 7350028297.

Together with next prime (7928200573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7502851161 + 425349376 = 86619^2 + 20624^2 .

It is a cyclic number.

It is not a de Polignac number, because 7928200537 - 2²³ = 7919811929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7928200493 and 7928200502.

It is not a weakly prime, because it can be changed into another prime (7928200237) 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, 3964100268 + 3964100269.

It is an arithmetic number, because the mean of its divisors is an integer number (3964100269).

Almost surely, 2^7928200537 is an apocalyptic number.

It is an amenable number.

7928200537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7928200537 is an equidigital number, since it uses as much as digits as its factorization.

7928200537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 7928200537 is about 89040.4432659676. The cubic root of 7928200537 is about 1993.9987217579.

The spelling of 7928200537 in words is "seven billion, nine hundred twenty-eight million, two hundred thousand, five hundred thirty-seven".