87103039 has 2 divisors, whose sum is σ = 87103040. Its totient is φ = 87103038.

The previous prime is 87103033. The next prime is 87103043. The reversal of 87103039 is 93030178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87103039 - 2³ = 87103031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87103039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87103031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43551519 + 43551520.

It is an arithmetic number, because the mean of its divisors is an integer number (43551520).

Almost surely, 2^87103039 is an apocalyptic number.

87103039 is a deficient number, since it is larger than the sum of its proper divisors (1).

87103039 is an equidigital number, since it uses as much as digits as its factorization.

87103039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 87103039 is about 9332.9008887912. The cubic root of 87103039 is about 443.2796244632.

The spelling of 87103039 in words is "eighty-seven million, one hundred three thousand, thirty-nine".