1007640811 has 2 divisors, whose sum is σ = 1007640812. Its totient is φ = 1007640810.

The previous prime is 1007640793. The next prime is 1007640859. The reversal of 1007640811 is 1180467001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1007640811 - 2¹⁷ = 1007509739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1007640811.

It is not a weakly prime, because it can be changed into another prime (1007640871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503820405 + 503820406.

It is an arithmetic number, because the mean of its divisors is an integer number (503820406).

Almost surely, 2^1007640811 is an apocalyptic number.

1007640811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1007640811 is an equidigital number, since it uses as much as digits as its factorization.

1007640811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1007640811 is about 31743.3585337154. The cubic root of 1007640811 is about 1002.5404775086.

The spelling of 1007640811 in words is "one billion, seven million, six hundred forty thousand, eight hundred eleven".