7661099 has 2 divisors, whose sum is σ = 7661100. Its totient is φ = 7661098.

The previous prime is 7661089. The next prime is 7661111. The reversal of 7661099 is 9901667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7661099 - 2⁴ = 7661083 is a prime.

It is not a weakly prime, because it can be changed into another prime (7661029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3830549 + 3830550.

It is an arithmetic number, because the mean of its divisors is an integer number (3830550).

Almost surely, 2^7661099 is an apocalyptic number.

7661099 is a deficient number, since it is larger than the sum of its proper divisors (1).

7661099 is an equidigital number, since it uses as much as digits as its factorization.

7661099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 7661099 is about 2767.8690359191. The cubic root of 7661099 is about 197.1349792563.

The spelling of 7661099 in words is "seven million, six hundred sixty-one thousand, ninety-nine".