867840601 has 2 divisors, whose sum is σ = 867840602. Its totient is φ = 867840600.

The previous prime is 867840583. The next prime is 867840607. The reversal of 867840601 is 106048768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763085376 + 104755225 = 27624^2 + 10235^2 .

It is a cyclic number.

It is not a de Polignac number, because 867840601 - 2²³ = 859451993 is a prime.

It is not a weakly prime, because it can be changed into another prime (867840607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433920300 + 433920301.

It is an arithmetic number, because the mean of its divisors is an integer number (433920301).

Almost surely, 2^867840601 is an apocalyptic number.

It is an amenable number.

867840601 is a deficient number, since it is larger than the sum of its proper divisors (1).

867840601 is an equidigital number, since it uses as much as digits as its factorization.

867840601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 867840601 is about 29459.1344238082. The cubic root of 867840601 is about 953.8497892676.

The spelling of 867840601 in words is "eight hundred sixty-seven million, eight hundred forty thousand, six hundred one".