38512306802887 has 2 divisors, whose sum is σ = 38512306802888. Its totient is φ = 38512306802886.

The previous prime is 38512306802857. The next prime is 38512306802933. The reversal of 38512306802887 is 78820860321583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38512306802887 - 2⁴³ = 29716213780679 is a prime.

It is a super-3 number, since 3×38512306802887³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38512306802857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19256153401443 + 19256153401444.

It is an arithmetic number, because the mean of its divisors is an integer number (19256153401444).

Almost surely, 2^{38512306802887} is an apocalyptic number.

38512306802887 is a deficient number, since it is larger than the sum of its proper divisors (1).

38512306802887 is an equidigital number, since it uses as much as digits as its factorization.

38512306802887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 38512306802887 in words is "thirty-eight trillion, five hundred twelve billion, three hundred six million, eight hundred two thousand, eight hundred eighty-seven".