487101869 has 2 divisors, whose sum is σ = 487101870. Its totient is φ = 487101868.

The previous prime is 487101847. The next prime is 487101877. The reversal of 487101869 is 968101784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443607844 + 43494025 = 21062^2 + 6595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487101869 is a prime.

It is a super-2 number, since 2×487101869² = 474536461566586322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487101809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243550934 + 243550935.

It is an arithmetic number, because the mean of its divisors is an integer number (243550935).

Almost surely, 2^487101869 is an apocalyptic number.

It is an amenable number.

487101869 is a deficient number, since it is larger than the sum of its proper divisors (1).

487101869 is an equidigital number, since it uses as much as digits as its factorization.

487101869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 487101869 is about 22070.3844325376. The cubic root of 487101869 is about 786.8161495555.

The spelling of 487101869 in words is "four hundred eighty-seven million, one hundred one thousand, eight hundred sixty-nine".