869677001 has 2 divisors, whose sum is σ = 869677002. Its totient is φ = 869677000.

The previous prime is 869676931. The next prime is 869677019. The reversal of 869677001 is 100776968.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 809459401 + 60217600 = 28451^2 + 7760^2 .

It is a cyclic number.

It is not a de Polignac number, because 869677001 - 2²² = 865482697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (869677301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434838500 + 434838501.

It is an arithmetic number, because the mean of its divisors is an integer number (434838501).

Almost surely, 2^869677001 is an apocalyptic number.

It is an amenable number.

869677001 is a deficient number, since it is larger than the sum of its proper divisors (1).

869677001 is an equidigital number, since it uses as much as digits as its factorization.

869677001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 869677001 is about 29490.2865533721. The cubic root of 869677001 is about 954.5221153727.

The spelling of 869677001 in words is "eight hundred sixty-nine million, six hundred seventy-seven thousand, one".