669786883 has 2 divisors, whose sum is σ = 669786884. Its totient is φ = 669786882.

The previous prime is 669786869. The next prime is 669786889. The reversal of 669786883 is 388687966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 669786883 - 2⁵ = 669786851 is a prime.

It is a super-2 number, since 2×669786883² = 897228937277711378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (669786889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334893441 + 334893442.

It is an arithmetic number, because the mean of its divisors is an integer number (334893442).

Almost surely, 2^669786883 is an apocalyptic number.

669786883 is a deficient number, since it is larger than the sum of its proper divisors (1).

669786883 is an equidigital number, since it uses as much as digits as its factorization.

669786883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 61.

The square root of 669786883 is about 25880.2411696646. The cubic root of 669786883 is about 874.9412240247.

The spelling of 669786883 in words is "six hundred sixty-nine million, seven hundred eighty-six thousand, eight hundred eighty-three".