1089206707 has 2 divisors, whose sum is σ = 1089206708. Its totient is φ = 1089206706.

The previous prime is 1089206693. The next prime is 1089206747. The reversal of 1089206707 is 7076029801.

It is an a-pointer prime, because the next prime (1089206747) can be obtained adding 1089206707 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1089206707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1089206707.

It is not a weakly prime, because it can be changed into another prime (1089206747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544603353 + 544603354.

It is an arithmetic number, because the mean of its divisors is an integer number (544603354).

Almost surely, 2^1089206707 is an apocalyptic number.

1089206707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089206707 is an equidigital number, since it uses as much as digits as its factorization.

1089206707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1089206707 is about 33003.1317756361. The cubic root of 1089206707 is about 1028.8927388486.

The spelling of 1089206707 in words is "one billion, eighty-nine million, two hundred six thousand, seven hundred seven".