87270109039 has 2 divisors, whose sum is σ = 87270109040. Its totient is φ = 87270109038.

The previous prime is 87270109037. The next prime is 87270109049. The reversal of 87270109039 is 93090107278.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87270109039 - 2¹ = 87270109037 is a prime.

Together with 87270109037, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 87270109039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87270109037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43635054519 + 43635054520.

It is an arithmetic number, because the mean of its divisors is an integer number (43635054520).

Almost surely, 2^87270109039 is an apocalyptic number.

87270109039 is a deficient number, since it is larger than the sum of its proper divisors (1).

87270109039 is an equidigital number, since it uses as much as digits as its factorization.

87270109039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 87270109039 in words is "eighty-seven billion, two hundred seventy million, one hundred nine thousand, thirty-nine".